Politics

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Republican presidential candidate and former Pennsylvania Sen. Rick Santorum speaks March 5, 2012, at the American Legion in Westerville, Ohio. (Associated Press)

Georgetown University law student and activist Sandra Fluke (center) speaks March 5, 2012, during an appearance in New York on the daytime talk show "The View" as co-hosts Joy Behar (left) and Sherri Shepherd listen. Fluke talked about conservative radio host Rush Limbaugh and the comments he made on his program after she testified to Democratic members of Congress in support of a requirement that health care companies provide coverage for contraception. (Associated Press/ABC)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney holds a town hall meeting March 5, 2012, at Taylor Winfield in Youngstown, Ohio. (Associated Press)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney holds a town hall meeting March 5, 2012, at Taylor Winfield in Youngstown, Ohio. (Associated Press)

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**FILE** President George W. Bush (left) and Steve Bridges, a comedian and President Bush impersonator, gesture April 29, 2006, during the White House Correspondents' Association's 92nd annual awards dinner in Washington. (Associated Press)

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Hassana Abu Firasl (left), a Syrian who fled the town of Qusair, near Homs, Syria, is seen with her family at the Lebanese-Syrian border village of Qaa, in eastern Lebanon, on Monday, March 5, 2012. (AP Photo/Hussein Malla)

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Richmond attorney William "Bill" Broaddus (center), a former Virginia attorney general and attorney for the defendants, carries documents March 5, 2012, into a Christiansburg, Va., courthouse on the first day of a civil trial in the wrongful death case brought against Virginia Tech and the state of Virginia by the parents of two students killed during a campus rampage in 2007. (Associated Press)

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Supporters of Russian Prime Minister Vladimir Putin rally March 5, 2012, at the central Manezhnaya Square just outside the Kremlin in Moscow to celebrate Putin's victory in the presidential election. (Associated Press)

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Russian billionaire Mikhail Prokhorov (center), who was a candidate in Sunday's presidential election, heads to a protest rally in downtown Moscow on Monday, March 5, 2012. (AP Photo/Alexander Zemlianichenko)

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Republican presidential candidate and former Pennsylvania Sen. Rick Santorum waits Jan. 31, 2012, to be introduced at a tea party tally in Las Vegas. (Associated Press)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney speaks March 5, 2012, at a campaign rally at Gregory Industries in Canton, Ohio. (Associated Press)

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President Obama walks out to deliver remarks at a March, 2, 2012, conservation event at the U.S. Department of Interior in Washington. (Associated Press)

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President Obama meets with Israeli Prime Minister Benjamin Netanyahu on Monday, March, 5, 2012, in the Oval Office of the White House in Washington. (AP Photo/Pablo Martinez Monsivais)

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A protester chants slogans in front of blocked ticket machines with a banner that reads "Occupation" placed on them at the Syntagma Metro station in Athens on Saturday, March 3, 2012, during a protest against the Greek government's austerity measures. (AP Photo/Kostas Tsironis)