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How close is N. Korea to nuclear arms?

Labels: Lifestyle

Kim Jong Un and his military

STORY HIGHLIGHTS

North Korea has warned that it plans to carry out underground nuclear tests

Would be the third nuclear test Pyongyang has carried out since 2006

Comes after new U.N. sanctions for North Korea's December satellite launch

Experts say its unknown how close the North is to being able to launch a nuclear warhead

(CNN) -- North Korea's intention to carry out a new nuclear test, coming on the heels of December's successful satellite launch, suggests that Pyongyang is moving forward toward developing a nuclear warhead and a deliverable missile system, experts say. The question remains: How close are they?

The answer, like the cloistered "hermit kingdom," remains largely a mystery as does much of its nuclear program.

"It's a question over the delivery system and the reliability of those systems," said Daniel Pinkston, senior analyst for the International Crisis Group covering Northeast Asia. "That is essentially unknown, or known by a few people inside North Korea."

South Korean rocket successfully puts satellite in orbit

A 2009 report by International Crisis Group suspects that North Korea "probably has somewhere between six and twelve nuclear weapons, or at least explosive devices," but notes that experts are divided whether any of these to be now useable as warheads -- small enough to be mounted on missiles and durable enough to withstand the hazards of flight.

"It's pretty clear that these are advanced technologies and the systems present a number of engineering challenges -- and to master these technologies requires a number of tests," Pinkston said.

North Korea on Google Maps: Monuments, nuclear complex, gulags

Last month, on the first anniversary of Kim Jong Il's death, North Korea successfully launched a three-stage rocket that put the satellite, Shining Star-3, into orbit. The launch also signaled that the North's long-range missile program now puts the United States within reach.

Last week, the United Nations Security Council unanimously passed a resolution that strengthened sanctions against the north in response to the December rocket launch. Declaring sanctions to be tantamount to "a declaration of war," North Korea is threatening further missile and nuclear tests which it said are a new phase of confrontation with the United States.

For the U.N. and North Korea: Game on

A new underground nuclear test would be the third, following tests in 2009 and 2006. While seismographs will be able to confirm if North Korea has an underground test, the size of the nuclear blast will be difficult to determine, Pinkston said.

"From what I understand it is virtually impossible to mask a nuclear event in terms of concealing it due to seismographs," Pinkston said. "But as far as the accuracy of the assessment of the yield, that's where the difficulty lies."

Koreas in 2013: Watch the generational politics

Estimates of the size, or "yield," of the 2009 nuclear test range from 2.5 kilotons to 6 kilotons, Pinkston said. By comparison, the atomic bomb dropped on Hiroshima had a yield of 16 kilotons.

While the specter of a North Korea able to send nuclear-tipped missiles is worrisome, equally troublesome to the international community is Pyongyang's atomic technology fuelling the black market for weapons.

"If its clandestine uranium-enrichment program has made strides, Pyongyang could demonstrate that it will gain access to a far larger pool of fissile material than simply its limited supply of weapons-grade plutonium," wrote Patrick M. Cronin, an Asian expert at the Center for New American Security, in a CNN op-ed. "A larger pool of fissile material is a dual threat: As a vital part of an expanded nuclear weapon program and as a commodity to be sold on the black market."

Timeline: North Korea's rocket-fueled obsession

Super Bowl ratings down from a year ago

Labels: Health

NEW ORLEANS—

Sunday's close Super Bowl contest between the Baltimore Ravens and the San Francisco 49ers failed to beat last year's game in total viewers, CBS Corp said on Monday.

An average of 108.41 million viewers tuned in, compared with 111.3 million a year ago when the New York Giants defeated the New England Patriots on NBC. CBS said it was the third-most-watched program in television history, behind last year's Super Bowl and 2011's match-up between thePittsburgh Steelers and the Green Bay Packers, which garnered 111 million viewers.

CBS did not immediately respond to a request for comment on whether a 35-minute partial electrical blackout in the third quarter of the game affected ratings. Advertisers paid $4 million on average for a 30-second spot during the game.

Late Sunday, CBS said in a statement that "all commercial commitments during the broadcast are being honored."

Commissioner Roger Goodell told reporters on Monday an investigation was under way to determine the cause of the disruption. He said there was no indication that Beyonce's halftime show had anything to do with the outage.

CBS said earlier on Monday that the telecast earned an average overnight household rating of 48.1 in Nielsen's metered markets, up 1 percent compared with last year's Super Bowl. CBS said the rating excludes the blackout, which occurred just after the start of the second half, between 8:45 p.m. and 9:15 p.m. Nielsen's "metered markets" represent the top 56 U.S. TV markets.

The highest-rated period during Sunday's Super Bowl occurred from 10:30 p.m. to 10:47 p.m., when the game came down to the wire and the Ravens were able to hold off a furious second-half comeback by the 49ers to win 34-31. CBS said that over those 17 minutes, an average of 113.92 million viewers were tuned in.

The Super Bowl, which determines the NFL champion for the 2012 season, is broadcast live in more than 180 countries and in more than 30 different languages. The commercials during the game regularly net a record amount of ad revenue for the network that broadcasts the game in a given year.

Analysts said stand-out commercials included Chrysler's Jeep ad featuring a patriotic salute to U.S. troops and narration by Oprah Winfrey, an Oreo ad asking viewers to vote cookie or creme, and a scantily clad male Calvin Klein model.

Bluefin labs, a firm that tracks social media activity, said viewers produced 30.6 million social media comments, up from 12.5 million last year. The most talked about ad on social media was the Dodge Ram Trucks "Farmer" commercial, followed by Taco Bell's "Viva Young" spot featuring senior citizens behaving badly, Bluefin said.

The Super Bowl also gives the network that airs it an unprecedented promotional platform for its other programming, with the time slot immediately after the game among the most coveted in television. This year CBS chose to showcase its new crime drama "Elementary," a post-modern take on "Sherlock Holmes," in that time slot.

Just under 21 million viewers stuck around after the game to watch "Elementary," making it the lowest-rated post Super Bowl show in 10 years. Part of the blame for the weak rating can be cast on the game's 35-minutes blackout, which pushed "Elementary's" start time to after 11 p.m. on the East Coast.

Last year, NBC's "The Voice" scored 37.6 million viewers in the post-Super Bowl slot. ABC's airing of "Alias" in 2003 garnered only 17.3 million viewers.

"Elementary" averages around 10 million viewers during its normal airings.

Syrian opposition chief says offers Assad peaceful exit

Labels: Business

BEIRUT (Reuters) - Syrian opposition leader Moaz Alkhatib urged Syrian President Bashar al-Assad's government on Monday to start talks for its departure from power and save the country from greater ruin after almost two years of bloodshed.

Seeking to step up pressure on Assad to respond to his offer of talks - which dismayed some in his own opposition coalition, Alkhatib said he would be ready to meet the president's deputy.

"I ask the regime to send Farouq al-Shara - if it accepts the idea - and we can sit with him," he said, referring to Syria's vice president who has implicitly distanced himself from Assad's crackdown on mass unrest that became an armed revolt.

Speaking after meeting senior Russian, U.S. and Iranian officials, Alkhatib said none of them had an answer to the 22-month-old crisis and Syrians must solve it themselves.

"The issue is now in the state's court...to accept negotiations for departure, with fewer losses," the Syrian National Coalition leader told Al Arabiya television.

The moderate Islamist preacher announced last week he was prepared to talk to Assad's representatives. Although he set several conditions, the move broke a taboo on opposition contacts with Damascus and angered many in its ranks who insist on Assad's departure as a precondition for negotiation.

Alkhatib said it was not "treachery" to seek dialogue to end a conflict in which more than 60,000 people have been killed, 700,000 have been driven from their country and millions more are homeless and hungry.

"The regime must take a clear stand (on dialogue) and we say we will extend our hand for the interest of people and to help the regime leave peacefully," he said in separate comments to Al Jazeera television.

Assad announced last month what he said were plans for reconciliation talks to end the violence but - in a speech described by U.N. Syria envoy Lakhdar Brahimi as narrow and uncompromising - he said there would be no dialogue with people he called traitors or "puppets made by the West".

Syria's defense minister said the army had proved it would not be defeated in its confrontation with rebels but declined to say whether it would respond to an Israeli air strike last week.

Security sources said the Israelis bombed a convoy of arms destined for Assad's ally Hezbollah, a sworn enemy of Israel, in neighboring Lebanon. Syria said the attack struck vehicles and buildings at a military research center near Lebanon's border.

Syria's uprising erupted in March 2011 with largely peaceful protests, escalating into a civil war pitting mainly Sunni Muslim rebels against Assad, who is from Syria's Alawite minority. His family has ruled Syria for 42 years.

ANGER AT IRAN

The violence has divided major powers, with Russia and China blocking U.N. Security Council draft resolutions backed by the United States, European Union and Sunni Muslim Gulf Arab states that could have led to U.N. sanctions isolating Assad. Shi'ite Iran has remained his strongest regional supporter.

Alkhatib met Iranian Foreign Minister Ali Akbar Salehi, Russian Foreign Minister Sergei Lavrov and U.S. Vice President Joe Biden at a security conference in Germany at the weekend.

"Iran's stance is unacceptable and I mentioned to the foreign minister that we are very angry with Iran's support for the regime," Alkhatib said.

He said he asked Salehi to pass on his offer of negotiations - based on the acceptance of the Assad government's departure - to Damascus. The two men also discussed the need to prevent Syria's crisis spreading into a regional conflict between Sunni and Shi'ite Muslims, he said.

"We will find a solution, there are many keys. If the regime wants to solve (the crisis), it can take part in it. If it wants to get out and get the people out of this crisis, we will all work together for the interest of the people and the departure of the regime."

One proposal under discussion was the formation of a transitional government, Alkhatib said, without specifying how he thought that could come about. World powers agreed a similar formula seven months ago but then disagreed over whether that could allow Assad to stay on as head of state.

Activists reported clashes between the army and rebel fighters to the east of Damascus on Monday and heavy shelling of rebel-held areas of the central city of Homs. The Jobar neighborhood, on the southwestern edge of Homs, was hit by more than 100 rockets on Monday morning, an opposition activist said.

The Syrian Observatory for Human Rights said at least 90 people were killed by dusk on Monday.

It said 180 people were killed across the country on Sunday, including 114 rebel fighters and soldiers. Sunday's death toll included 28 people killed in the bombardment of a building in the Ansari district of the northern city of Aleppo.

Assad has described the rebels as foreign-backed Islamist terrorists and said a precondition for any solution is that Turkey and Sunni-ruled Gulf Arab states stop funding, sheltering and arming his foes.

The majority of the insurgents are Islamists but those affiliated with al Qaeda are smaller in number, although their influence is growing. For that reason, Western states have been loath to arm the rebels despite their calls for Assad's ouster.

Rebels and activists say that Iran and the Lebanese Shi'ite militant movement Hezbollah have sent fighters to reinforce Assad's army - an accusation that both deny.

ECONOMIC SUPPORT

"The army of Syria is big enough, they do not need fighters from outside," Iran's Salehi said in Berlin on Monday.

"We are giving them economic support, we are sending gasoline, we are sending wheat. We are trying to send electricity to them through Iraq; we have not been successful."

Iranian President Mahmoud Ahmadinejad said later on Monday that Syria's crisis could not be solved by military means and he called for a national accord leading to elections.

"War is not the solution...A government that rules through war - its work will be very difficult. A sectarian war should not be launched in Syria," he told Al Mayadeen television.

"We believe that (deciding) whoever stays or goes is the right of the Syrian people. How can we interfere in that? We must strive to achieve national understanding, and free elections."

Another Iranian official, speaking in Damascus after talks with Assad, said Israel would regret an air strike against Syria last week, without spelling out whether Iran or its ally planned a military response.

Salehi, Russian Foreign Minister Sergei Lavrov and U.S. Vice President Joe Biden all met Alkhatib in Munich at the weekend and portrayed his willingness to talk with Syrian authorities as a major step towards resolving the war.

But Alkhatib is under pressure from other members of the exiled leadership in Cairo for saying he would be willing to talk to Assad. Walid al-Bunni, a member of the Coalition's 12-member politburo, dismissed Alkhatib's meeting with Salehi.

"It was unsuccessful. The Iranians are unprepared to do anything that could help the causes of the Syrian Revolution," Bunni, a former political prisoner, told Reuters from Budapest.

(Additional reporting by Yeganeh Torbati in Dubai and Stephen Brown in Berlin; Editing by Mark Heinrich)

"Great Rotation"- A Wall Street fairy tale?

Labels: World

NEW YORK (Reuters) - Wall Street's current jubilant narrative is that a rush into stocks by small investors has sparked a "great rotation" out of bonds and into equities that will power the bull market to new heights.

That sounds good, but there's a snag: The evidence for this is a few weeks of bullish fund flows that are hardly unusual for January.

Late-stage bull markets are typically marked by an influx of small investors coming late to the party - such as when your waiter starts giving you stock tips. For that to happen you need a good story. The "great rotation," with its monumental tone, is the perfect narrative to make you feel like you're missing out.

Even if something approaching a "great rotation" has begun, it is not necessarily bullish for markets. Those who think they are coming early to the party may actually be arriving late.

Investors pumped $20.7 billion into stocks in the first four weeks of the year, the strongest four-week run since April 2000, according to Lipper. But that pales in comparison with the $410 billion yanked from those funds since the start of 2008.

"I'm not sure you want to take a couple of weeks and extrapolate it into whatever trend you want," said Tobias Levkovich, chief U.S. equity strategist at Citigroup. "We have had instances where equity flows have picked up in the last two, three, four years when markets have picked up. They've generally not been signals of a continuation of that trend."

The S&P 500 rose 5 percent in January, its best month since October 2011 and its best January since 1997, driving speculation that retail investors were flooding back into the stock market.

Heading into another busy week of earnings, the equity market is knocking on the door of all-time highs due to positive sentiment in stocks, and that can't be ignored entirely. The Standard & Poor's 500 Index <.spx> ended the week about 4 percent from an all-time high touched in October 2007.

Next week will bring results from insurers Allstate and The Hartford , as well as from Walt Disney , Coca-Cola Enterprises and Visa .

But a comparison of flows in January, a seasonal strong month for the stock market, shows that this January, while strong, is not that unusual. In January 2011 investors moved $23.9 billion into stock funds and $28.6 billion in 2006, but neither foreshadowed massive inflows the rest of that year. Furthermore, in 2006 the market gained more than 13 percent while in 2011 it was flat.

Strong inflows in January can happen for a number of reasons. There were a lot of special dividends issued in December that need reinvesting, and some of the funds raised in December tax-selling also find their way back into the market.

During the height of the tech bubble in 2000, when retail investors were really embracing stocks, a staggering $42.7 billion flowed into equities in January of that year, double the amount that flowed in this January. That didn't end well, as stocks peaked in March of that year before dropping over the next two-plus years.

MOM AND POP STILL WARY

Arguing against a 'great rotation' is not necessarily a bearish argument against stocks. The stock market has done well since the crisis. Despite the huge outflows, the S&P 500 has risen more than 120 percent since March 2009 on a slowly improving economy and corporate earnings.

This earnings season, a majority of S&P 500 companies are beating earnings forecast. That's also the case for revenue, which is a departure from the previous two reporting periods where less than 50 percent of companies beat revenue expectations, according to Thomson Reuters data.

Meanwhile, those on the front lines say mom and pop investors are still wary of equities after the financial crisis.

"A lot of people I talk to are very reluctant to make an emotional commitment to the stock market and regardless of income activity in January, I think that's still the case," said David Joy, chief market strategist at Columbia Management Advisors in Boston, where he helps oversee $571 billion.

Joy, speaking from a conference in Phoenix, says most of the people asking him about the "great rotation" are fund management industry insiders who are interested in the extra business a flood of stock investors would bring.

He also pointed out that flows into bond funds were positive in the month of January, hardly an indication of a rotation.

Citi's Levkovich also argues that bond investors are unlikely to give up a 30-year rally in bonds so quickly. He said stocks only began to see consistent outflows 26 months after the tech bubble burst in March 2000. By that reading it could be another year before a serious rotation begins.

On top of that, substantial flows continue to make their way into bonds, even if it isn't low-yielding government debt. January 2013 was the second best January on record for the issuance of U.S. high-grade debt, with $111.725 billion issued during the month, according to International Finance Review.

Bill Gross, who runs the $285 billion Pimco Total Return Fund, the world's largest bond fund, commented on Twitter on Thursday that "January flows at Pimco show few signs of bond/stock rotation," adding that cash and money markets may be the source of inflows into stocks.

Indeed, the evidence suggests some of the money that went into stock funds in January came from money markets after a period in December when investors, worried about the budget uncertainty in Washington, started parking money in late 2012.

Data from iMoneyNet shows investors placed $123 billion in money market funds in the last two months of the year. In two weeks in January investors withdrew $31.45 billion of that, the most since March 2012. But later in the month money actually started flowing back.

(Additional reporting by Caroline Valetkevitch; Editing by Kenneth Barry)

What comes now for NFL after tumultuous season?

Labels: Technology

NEW ORLEANS (AP) — The Super Bowl closes a tumultuous year for the NFL.

Suicides by former NFL players. Thousands of others filing concussion lawsuits. New studies linking football to brain disease. Still no testing for human growth hormone. The specter of other purported performance-enhancing products — deer-antler spray, anyone? — being peddled to players.

A pay-for-pain bounty scandal. A lockout of officials resolved only after a ludicrous game-ending call. Zero minority hires for 15 coach or general manager openings.

And yet the league is as popular as ever.

Advertisers paid nearly $4 million per 30-second television commercial for the right to reach the 100 million or so Americans expected to tune in to Sunday's Super Bowl between the AFC champion Baltimore Ravens and NFC champion San Francisco 49ers. Eleven of the 12 most-watched TV programs during the last 2½ years were NFL postseason games, according to the league.

Uncertain, though, is what the future holds for an NFL still coming to grips with the dangers of a brutal sport that makes it tremendously wealthy.

"The game has changed and keeps changing. ... It is such a violent game, and such a collision game, that careers are going to be kind of like not long at all. Because you take those licks — you've only got so many in your body, and at some point that's going to wear it out," said Ravens running backs coach Wilbert Montgomery, who played that position for the Philadelphia Eagles and Detroit Lions from 1977-85.

Montgomery said he got six concussions in one season alone, and others along the way, including one that knocked him out cold a few days before playing for the Eagles in the NFC title game at the end of the 1980 season.

"I know one thing: Back then, it didn't make any difference. They gave you smelling salts and then, after that, you went back in," Montgomery said. "I have headaches all the time. That's why I say my wife is always messing with me when I have outbursts, saying, 'You've been hit too many times upside the head.'"

Montgomery laughed for a moment. Then he rubbed his forehead and continued talking, mentioning former teammate and friend Andre Waters and opponent Dave Duerson. Both committed suicide; researchers studied their brain tissue and found signs of chronic traumatic encephalopathy, or CTE, a degenerative disease also found in boxers and often linked with repeated blows to the head. Former star linebacker Junior Seau, who shot himself in May, also was found to have CTE. Baltimore's starting center on Sunday, Matt Birk, has pledged to donate his brain for study when he dies.

"It's a serious thing," Montgomery said. "It's scary."

When the President of the United States refers to fans perhaps having a guilty conscience when watching a game and parents thinking twice before allowing a child to play — as Barack Obama did in a recent interview with The New Republic — it sends a strong signal about what confronts the NFL today.

"If I was worried about my health," 49ers quarterback Colin Kaepernick said, "I wouldn't be playing football."

So the league must figure out how to deal with "walking a fine line," as 49ers CEO Jed York described it: The two-sided task of making the game safer, which Commissioner Roger Goodell acknowledges is imperative, while not making it "too safe," thereby diminishing the popularity of an enterprise that is violent by its very nature.

"There's no question that that is a bit of a conundrum. But to me, we've got to place more weight on player safety," New York Giants co-owner John Mara said. "The rules changes that we've implemented over the past five or six years have not made the game any less exciting. If anything, the game is as exciting as ever, and I strongly believe that we can make additional improvements in the rules and we're not going to lose anything in terms of excitement on the field."

Ravens owner Steve Bisciotti is convinced the NFL will strike the proper balance.

"What did they do for boxing when they made them go from 6-ounce, to 8-ounce to 12-ounce gloves or whatever? Did it change boxing? Not really," Bisciotti said. "I believe that with every change, there will be a correction. ... And I believe that we as a league and the (players' union) will agree on things that don't take football out of football."

In a series of moves that began shortly after Goodell was grilled at a congressional hearing, the league has changed concussion return-to-play guidelines, adjusted rules for kickoffs — and floated the idea of eliminating them altogether — stepped up punishment of illegal hits, and stopped arguing against the players' wish for independent neurology specialists on the sidelines during games.

Even if there are some players who in one breath worry about whether their health is imperiled, and in the next say, "We're basically going to be playing two-hand touch in a while" — Baltimore nose tackle Terrence Cody's words this week — the head of their union points out that prudence and popularity do not have to be mutually exclusive.

"The reality of it is, 'football as we know it' has evolved over decades. ... Our job is to have an unqualified commitment to the health and safety of the people who play the game, and then to make those changes where we see necessary," NFL Players Association executive director DeMaurice Smith said.

"I don't think there is this thing of 'football as we know it.' What we have is football that has constantly developed," Smith said. "And even with all of the (recent) rule changes ... my guess is this Super Bowl will be the highest-rated of all time."

Indeed, while the concussion lawsuits mount — a U.S. District Court judge in Philadelphia will hear oral arguments in April on the NFL's effort to dismiss a group of cases — and questions arise about what insurers will charge the league moving forward, the money does keep rolling in. Revenues already topped $9 billion at the time of the last labor deal in 2011, and new TV contracts will only help increase it.

"At $10-to-$12 billion? It ain't going nowhere," said Warren Sapp, a retired defensive tackle elected Saturday to the Pro Football Hall of Fame and who now works for the NFL Network, another piece of the league's marketing machine. "We play a beautiful game. We hit each other. (Players) have to take care of each other better. Then it will be fine."

Meantime, the NFL continues to look for new ways to increase its cash flow.

During his state of the league address two days before the Super Bowl, Goodell did not rule out increasing the regular season from 16 to 18 games, and he reiterated the possibility of expanding the postseason, too. He announced that two 2013 games in London already are sold out, and there could be three in future seasons — down a path that, eventually, could lead to a franchise based in Britain.

"For you to be adding games to the season, are you looking out for player safety? Or are you trying to generate more player revenue?" 49ers receiver Randy Moss said. "If you're trying to look and protect the players, and keep it healthier and better every year, I don't think it's a good idea."

Several players in this year's Super Bowl were incredulous that the league would even consider more games. A handful voiced concern over a disconnect between players and owners.

The president of the NFLPA, former Ravens cornerback Domonique Foxworth, said he wonders how truthful Goodell and other NFL officials are being when they say — as they often do — that players' well-being is a priority.

"The league, their No. 1 focus — at least they say their No. 1 focus — is health and safety. And we say our No. 1 focus is health and safety. How come we have such a hard time moving the ball on some health and safety issues?" Foxworth said. "I believe health and safety is on their list of top five things, but it comes in well behind increasing the bottom line."

___

Follow Howard Fendrich on Twitter at http://twitter.com/HowardFendrich

Energy industry develops nontoxic fracking fluids

Labels: World

PITTSBURGH (AP) — The oil and gas industry is trying to ease environmental concerns by developing nontoxic fluids for the drilling process known as fracking, but it’s not clear whether the new product will be widely embraced by drilling companies.

Houston-based energy giant Halliburton Inc. has developed a product called CleanStim, which uses only food-industry ingredients. Other companies have developed nontoxic fluids as well.

“Halliburton is in the business to provide solutions to our customers,” said production manager Nicholas Gardiner. “Those solutions have to include ways to reduce the safety or environmental concerns that the public might have.”

Environmental groups say they welcome the development but still have questions.

The chemicals in fracking fluids aren’t the only environmental concern, said George Jugovic, president of PennFuture. He said there is also concern about the large volumes of naturally occurring but exceptionally salty wastewater and air pollution.

It’s premature to say whether it will ever be feasible to have fluids for fracking that are totally nontoxic, said Scott Anderson, a senior adviser for the Environmental Defense Fund.

“But we are encouraged to some extent by recent industry efforts to at least reduce the toxicity,” Anderson said.

Fracking, short for hydraulic fracturing, has made it possible to tap into energy reserves across the nation but also has raised concerns about pollution, since large volumes of water, along with sand and hazardous chemicals, are injected deep into the ground to free the oil and gas from rock.

Regulators contend that overall, water and air pollution problems are rare, but environmental groups and some scientists say there hasn’t been enough research on those issues. The industry and many federal and state officials say the practice is safe when done properly, but faulty wells and accidents have caused problems.

Halliburton says CleanStim will provide “an extra margin of safety to people, animals and the environment in the unlikely occurrence of an incident” at a drilling site.

Gardiner said Halliburton has developed a chemistry-scoring system for the fluids, with lower scores being better. CleanStim has a zero score, he said, and is “relatively more expensive” than many traditional fracking fluids.

Both Jugovic and Anderson noted that one of the most highly publicized concerns about toxic fracking fluids hasn’t really been an issue: the suggestion that they might migrate from thousands of feet underground, up to drinking water aquifers.

“Most people agree there are no confirmed cases so far” of fracking chemicals migrating up to drinking water, Anderson said. But he added that simple spills of fluid on the surface can cause problems.

“The most likely of exposure is not from the fracking itself. It is from spills before the fracking fluid is injected,” Anderson said.

There also may be technical and cost issues that limit the acceptance of products such as CleanStim. There is tremendous variation in the type of shale rock in different parts of the country. For example, drillers use different fluids even within the same state, and the specific mix can play a large role in determining how productive a well is.

Gardiner wouldn’t say how widely used CleanStim is. “The customers who do use it certainly like the material,” he added.

Terry Engelder, a geologist at Penn State University, said he visited a well in that state last year that used just water, sand and three additives in the fracking fluid.

But Engelder added that “green” and “toxic” can be “soft words without real meaning.” He noted that consumers, businesses and farms use vast quantities of chemicals that can contribute to pollution, from cleaners and soaps to fertilizers and pesticides. Yet all those compounds are routinely flushed down the drain, ending up in nearby rivers and streams.

“Eventually industry would like to end up with a mix of just water, sand, and food-grade additives,” Engelder said of fracking. “Companies are learning to deal with fewer and fewer additives.”

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Hillary: Secretary of empowerment

Labels: Lifestyle

Girls hug U.S. Secretary of State Hillary Clinton during a 2010 tour of a shelter run for sex trafficking victims in Cambodia.

STORY HIGHLIGHTS

Donna Brazile: Clinton stepping down as Secretary of State. Maybe she'll run for president

She says as secretary she expanded foreign policy to include effect on regular people

She says she was first secretary of state to focus on empowering women and girls

Brazile: Clinton has fought for education and inclusion in politics for women and girls

Editor's note: Donna Brazile, a CNN contributor and a Democratic strategist, is vice chairwoman for voter registration and participation at the Democratic National Committee. She is a nationally syndicated columnist, an adjunct professor at Georgetown University and author of "Cooking with Grease." She was manager for the Gore-Lieberman presidential campaign in 2000.

(CNN) -- As Secretary of State Hillary Rodham Clinton steps down from her job Friday, many are assuming she will run for president. And she may. In fact, five of the first eight presidents first served their predecessors as secretary of state.

It hasn't happened in more than a century, though that may change should Clinton decide to run. After all, she has been a game changer her entire life.

But before we look ahead, I think we should appreciate what she's done as secretary of state; it's a high profile, high pressure job. You have to deal with the routine as if it is critical and with crisis as if it's routine. You have to manage egos, protocols, customs and Congress. You have to be rhetorical and blunt, diplomatic and direct.

CNN Contributor Donna Brazile

As secretary of state you are dealing with heads of state and with we the people. And the president of the United States has to trust you -- implicitly.

On the road with Hillary Clinton

Of all Clinton's accomplishments -- and I will mention just a few -- this may be the most underappreciated. During the election, pundits were puzzled and amazed not only at how much energy former President Bill Clinton poured into Obama's campaign, but even more at how genuine and close the friendship was.

Obama was given a lot of well-deserved credit for reaching out to the Clintons by appointing then-Sen. Hillary Clinton as his secretary of state in the first place. But trust is a two-way street and has to be earned. We should not underestimate or forget how much Clinton did and how hard she worked. She deserved that trust, as she deserved to be in the war room when Osama bin Laden was killed.

By the way, is there any other leader in the last 50 years whom we routinely refer to by a first name, and do so more out of respect than familiarity? The last person I can think of was Ike -- the elder family member who we revere with affection. Hillary is Hillary.

It's not surprising that we feel we know her. She has been part of our public life for more than 20 years. She's been a model of dignity, diplomacy, empathy and toughness. She also has done something no other secretary of state has done -- including the two women who preceded her in the Cabinet post.

Rothkopf: President Hillary Clinton? If she wants it

Hillary has transformed our understanding -- no, our definition -- of foreign affairs. Diplomacy is no longer just the skill of managing relations with other countries. The big issues -- war and peace, terror, economic stability, etc. -- remain, and she has handled them with firmness and authority, with poise and confidence, and with good will, when appropriate.

But it is not the praise of diplomats or dictators that will be her legacy. She dealt with plenipotentiaries, but her focus was on people. Foreign affairs isn't just about treaties, she taught us, it's about the suffering and aspirations of those affected by the treaties, made or unmade.

Most of all, diplomacy should refocus attention on the powerless.

Of course, Hillary wasn't the first secretary of state to advocate for human rights or use the post to raise awareness of abuses or negotiate humanitarian relief or pressure oppressors. But she was the first to focus on empowerment, particularly of women and girls.

She created the first Office of Global Women's Issues. That office fought to highlight the plight of women around the world. Rape of women has been a weapon of war for centuries. Though civilized countries condemn it, the fight against it has in a sense only really begun.

Ghitis: Hillary Clinton's global legacy on gay rights

The office has worked to hold governments accountable for the systematic oppression of girls and women and fought for their education in emerging countries. As Hillary said when the office was established: "When the Security Council passed Resolution 1325, we tried to make a very clear statement, that women are still largely shut out of the negotiations that seek to end conflicts, even though women and children are the primary victims of 21st century conflict."

Hillary also included the United States in the Trafficking in Person report. Human Trafficking, a form of modern, mainly sexual, slavery, victimizes mostly women and girls. The annual report reviews the state of global efforts to eliminate the practice. "We believe it is important to keep the spotlight on ourselves," she said. "Human trafficking is not someone else's problem. Involuntary servitude is not something we can ignore or hope doesn't exist in our own communities."

She also created the office of Global Partnerships. And there is much more.

She has held her own in palaces and held the hands of hungry children in mud-hut villages, pursuing an agenda that empowers women, children, the poor and helpless.

We shouldn't have been surprised. Her book "It Takes a Village" focused on the impact that those outside the family have, for better or worse, on a child's well-being.

As secretary of state, she did all she could to make sure our impact as a nation would be for the better.

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The opinions expressed in this commentary are solely those of Donna Brazile.

1 killed, 4 injured in crash on Tri-State Tollway

Labels: Health

A 39-year-old Carpentersville man was pronounced dead this morning after he was involved in a three vehicle crash on the Tri-State Tollway this morning, Illinois State Police said.

The accident happened at 6:47 a.m. on the Tri-StateTollway (I-294) at mile marker 24 3/4 near Lake-Cook Road in Lake County, Illinois State police officials said.

The vehicles included a Chrysler Sebring, a tow truck and a taxi, said State Police Sgt. Tim Moore.

The accident began as the tow truck and the Chrysler Sebring were traveling east on the tollway in Deerfield, Moore said.

As the two vehicles were driving, the Sebring struck the rear of the two truck which then caused the two vehicles to pull over to the shoulder of the roadway, said Moore.

After the tow truck driver got out of his truck and was standing on the shoulder speaking to the driver of the Sebring, a taxi struck the tow truck driver. The vehicle then struck the back of the Chrysler, Moore said. In additition to the taxi driver the vehicle was carrying a passenger, Moore said.

The driver of the Chrysler, who was inside his vehicle, was pronounced dead, Moore said. The tow truck driver, who had been struck by the taxi, did not sustain life-threatening injuries, Moore said.

There were a total of three transports made to Advocate Luthern General Hospital in Park Ridge all with non-lifethreatening injuries. Police initially said there had been four people taken to hospitals for treatment.

Chicagobreaking@tribune.com

Twitter: @ChicagoBreaking

Iran hedges on nuclear talks with six powers or U.S.

Labels: Business

MUNICH (Reuters) - Iran said on Sunday it was open to a U.S. offer of direct talks on its nuclear program and that six world powers had suggested a new round of nuclear negotiations this month, but without committing itself to either proposal.

Diplomatic efforts to resolve a dispute over Iran's nuclear program, which Tehran says is peaceful but the West suspects is intended to give Iran the capability to build a nuclear bomb, have been all but deadlocked for years, while Iran has continued to announce advances in the program.

Iranian Foreign Minister Ali Akbar Salehi said a suggestion on Saturday by U.S. Vice President Joe Biden that Washington was ready for direct talks with Iran if Tehran was serious about negotiations was a "step forward".

"We take these statements with positive consideration. I think this is a step forward but ... each time we have come and negotiated it was the other side unfortunately who did not heed ... its commitment," Salehi said at the Munich Security Conference where Biden made his overture a day earlier.

He also complained to Iran's English-language Press TV of "other contradictory signals", pointing to the rhetoric of "keeping all options on the table" used by U.S. officials to indicate they are willing to use force to keep Iran from obtaining a nuclear weapon.

"This does not go along with this gesture (of talks) so we will have to wait a little bit longer and see if they are really faithful this time," Salehi said.

Iran is under a tightening web of sanctions. Israel has also hinted it may strike if diplomacy and international sanctions fail to curb Iran's nuclear drive.

In Washington, Army General Martin Dempsey, the top U.S. military officer, said in an interview broadcast on Sunday that the United States has the capability to stop any Iranian effort to build nuclear weapons, but Iranian "intentions have to be influenced through other means."

Dempsey, chairman of the Joint Chiefs of Staff, made his comments on NBC's program "Meet the Press," speaking alongside outgoing Defense Secretary Leon Panetta.

Panetta said current U.S. intelligence indicated that Iranian leaders have not made a decision to proceed with the development of a nuclear weapon.

"But every indication is they want to continue to increase their nuclear capability," he said. "And that's a concern. And that's what we're asking them to stop doing."

The new U.S. secretary of state, John Kerry, has said he will give diplomacy every chance of solving the Iran standoff.

THE BEST CHANCE

With six-power talks making little progress, some experts say talks between Tehran and Washington could be the best chance, perhaps after Iran has elected a new president in June.

Negotiations between Iran and the six powers - Russia, China, the United States, Britain, France and Germany - have been deadlocked since a meeting last June.

EU officials have accused Iran of dragging its feet in weeks of haggling over the date and venue for new talks.

Salehi said he had "good news", having heard that the six powers would meet in Kazakhstan on February 25.

A spokesman for EU foreign policy chief Catherine Ashton, who coordinates the efforts of the six powers, confirmed that she had proposed talks in the week of February 25 but noted that Iran had not yet accepted.

Kazakhstan said it was ready to host the talks in either Astana or Almaty.

Salehi said Iran had "never pulled back" from the stuttering negotiations with the six powers. "We still are very hopeful. There are two packages, one package from Iran with five steps and the other package from the (six powers) with three steps."

Iran raised international concern last week by announcing plans to install and operate advanced uranium enrichment machines. The EU said the move, potentially shortening the path to weapons-grade material, could deepen doubts about the peaceful nature of Iran's nuclear program.

Prime Minister Benjamin Netanyahu said on Sunday that Israel's mission to stop its arch-enemy from acquiring nuclear weapons was "becoming more complex, since the Iranians are equipping themselves with cutting-edge centrifuges that shorten the time of (uranium) enrichment".

"We must not accept this process," said Netanyahu, who is trying to form a new government after winning an election last month. Israel is generally believed to be the only country in the Middle East with nuclear weapons.

(Additional reporting by Myra MacDonald and Stephen Brown in Munich, Dmitry Solovyov in Almaty, Yeganeh Torbati in Dubai and Jim Wolf in Washington; Editing by Kevin Liffey and Will Dunham)

"Great Rotation"- A Wall Street fairy tale?

Labels: World

That sounds good, but there's a snag: The evidence for this is a few weeks of bullish fund flows that are hardly unusual for January.

Even if something approaching a "great rotation" has begun, it is not necessarily bullish for markets. Those who think they are coming early to the party may actually be arriving late.

The S&P 500 rose 5 percent in January, its best month since October 2011 and its best January since 1997, driving speculation that retail investors were flooding back into the stock market.

Next week will bring results from insurers Allstate and The Hartford , as well as from Walt Disney , Coca-Cola Enterprises and Visa .

MOM AND POP STILL WARY

Meanwhile, those on the front lines say mom and pop investors are still wary of equities after the financial crisis.

He also pointed out that flows into bond funds were positive in the month of January, hardly an indication of a rotation.

(Additional reporting by Caroline Valetkevitch; Editing by Kenneth Barry)

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