Politics

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Republican presidential candidate Newt Gingrich speaks during a campaign rally at the Wiregrass Museum of Art in Dothan, Ala., on Saturday, March 10, 2012. (AP Photo/The Dothan Eagle, Jay Hare)

Demonstrators protesting the election of Prime Minister Vladimir Putin as president hold a placard depicting Czar Ivan the Terrible during a rally in Moscow on Saturday, March 10, 2012. (AP Photo/Ivan Sekretarev)

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Syrian President Bashar Assad (right) meets with former U.N. Secretary-General Kofi Annan, the world body's special envoy to Syria, in Damascus, Syria, on Saturday, March 10, 2012. (AP Photo/SANA)

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A Free Syrian Army fighter runs for cover during fighting against government troops in Idlib, Syria, on Saturday, March 10, 2012. (AP Photo/Rodrigo Abd)

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** FILE ** Afghan security forces shoot in the air to disperse protesters outside American military base during an anti-U.S. demonstration in Mehterlam, Laghman province east of Kabul, Afghanistan, Thursday, Feb. 23, 2012. Afghan police fired shots in the air to disperse hundreds of protesters who tried to break into an American military base in the country's east to vent their anger over the Koran burnings incident. (AP Photo/Rahmat Gul)

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Former Pennsylvania Sen. Rick Santorum speaks during the Cape County Republican Women's Lincoln Day Dinner, Saturday, March 10, 2012, in Cape Giradeau, Mo. Rick Santorum won the Kansas caucuses in a rout on Saturday and Republican presidential front-runner Mitt Romney countered in Wyoming, a weekend prelude to suddenly pivotal Southern primary showdowns in the week ahead. (AP Photo/Eric Gay)

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Former Pennsylvania Sen. Rick Santorum speaks during the Cape County Republican Women's Lincoln Day Dinner, Saturday, March 10, 2012, in Cape Giradeau, Mo. Rick Santorum won the Kansas caucuses in a rout on Saturday and Republican presidential front-runner Mitt Romney countered in Wyoming, a weekend prelude to suddenly pivotal Southern primary showdowns in the week ahead. (AP Photo/Eric Gay)

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Republican presidential candidate Rep. Ron Paul, R-Texas, autographs a poster at a caucus site at Shawnee Mission Northwest High School Saturday, March 10, 2012, in Shawnee, Kan. (AP Photo/Charlie Riedel)

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Free Syrian Army fighters take cover during fierce fighting against government troops in Idlib, north Syria, Saturday, March 10, 2012. (AP Photo/Rodrigo Abd)

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In this June 27, 2006, file photo, reviewed by the U.S. Department of Defense, U.S. military guards walk within the Camp Delta military-run prison at the Guantanamo Bay U.S. Naval Base in Cuba. (AP Photo/Brennan Linsley) ** FILE **

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Republican presidential candidate, former Pennsylvania Sen. Rick Santorum talks during a rally Friday, March 9, 2012, in Topeka, Kan. (AP Photo/Charlie Riedel)

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In this photo released by the Syrian official news agency SANA, Syrian President Bashar Assad, right, meets with Kofi Annan, the United Nations special envoy to Syria, in Damascus, Syria, on Saturday March 10, 2012. The state-run news agency SANA reported that talks between Assad and Annan were "positive" but there were no further details on the meeting. Syrian troops pushed ahead with a new assault on the northern region of Idlib on Saturday, shelling one of the centers of the uprising against President Bashar Assad's rule and sending families fleeing for safety as armed rebels tried to fend off the attack. Thick black smoke billowed into the sky. (AP Photo/SANA)

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President Barack Obama speaks at a campaign event at Minute Maid Park, Friday, March, 9, 2012, in Houston, Texas. (AP Photo/Pablo Martinez Monsivais)

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Republican presidential candidate, former Pennsylvania Sen. Rick Santorum talks during a rally Friday, March 9, 2012, in Topeka, Kan. Hoping to tap into deep distrust of Washington, Republican Rick Santorum suggested Friday that President Barack Obama and Mitt Romney share a top priority: to take away Americans' money and freedom so they can tell them how to live. (AP Photo/Charlie Riedel)

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Republican presidential candidate, former House Speaker Newt Gingrich speaks to a crowd at the Mississippi State University Riley Center in downtown Meridian, Miss. on Friday, March 9, 2012. (AP Photo/The Meridan Star, Paula Merritt)

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A woman weeps as she prays during an anti-government demonstration in Idlib, Syria, on March 9, 2012. (Associated Press)

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Senate Minority Leader Richard L. Saslaw, Fairfax Democrat, left, and Senate Majority Leader Thomas K. Norment, Jr., James City Republican, right, confer as the Senate met at the State Capitol in Richmond, Va. Thursday, March 8, 2012. The budget deadlock in the Senate continues. (AP Photo/Richmond Times-Dispatch, Bob Brown).