Newt Gingrich

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Republican presidential candidate and former House Speaker Newt Gingrich and his wife Callista wave Jan. 25, 2012, to the large crowd during a campaign stop in Cocoa, Fla. (Associated Press/Florida Today)

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Republican presidential candidate and former House Speaker Newt Gingrich, accompanied by his wife Callista, speaks Jan. 25, 2012, at Wings Plus Restaurant in Coral Springs, Fla. (Associated Press)

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Former House Speaker Newt Gingrich gestures during a "Meet the Candidates" forum on Wednesday, Jan. 25, 2012, in Miami. (AP Photo/Jeffrey M. Boan)

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Republican presidential candidate and former House Speaker Newt Gingrich walks Jan. 25, 2012, to a stage for a forum at Univision Network Studios in Doral, Fla. (Associated Press)

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Republican presidential candidate and former House Speaker Newt Gingrich takes part Jan. 25, 2012, in a forum with journalist Jorge Ramos at Univision Network Studios in Doral, Fla. (Associated Press)

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Republican presidential candidate and former House Speaker Newt Gingrich speaks Jan. 24, 2012, during an event at the Cambier Park Bandstand in Naples, Fla. (Associated Press)

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Taking part in a Republican presidential debate in Tampa, Fla., on Monday, Jan. 23, 2012, are (from left) former Pennsylvania Sen. Rick Santorum, former Massachusetts Gov. Mitt Romney, former House Speaker Newt Gingrich and Texas Rep. Ron Paul, as moderator Brian Williams of NBC News listens. (AP Photo/Paul Sancya)

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Republican presidential candidates former Massachusetts Governor Mitt Romney (left) and former House Speaker Newt Gingrich (right) are seen on the screens in the media filing center during the Republican Candidates Debate at the University of South Florida in Tampa, Fla., Monday, January 23, 2012. (Rod Lamkey Jr/ The Washington Times)

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Republican presidential candidates former Massachusetts Governor Mitt Romney and former House Speaker Newt Gingrich take part in The Republican Candidates Debate at the University of South Florida in Tampa, Fla., Monday, January 23, 2012. (Rod Lamkey Jr/ The Washington Times)

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Republican presidential candidates (left to right): former Pennsylvania Senator Rick Santorum, former Massachusetts Governor Mitt Romney, former House Speaker Newt Gingrich and Rep. Ron Paul (R-Tex) take their places on stage as they arrive for The Republican Candidates Debate at the University of South Florida in Tampa, Fla., Monday, January 23, 2012. (Rod Lamkey Jr/ The Washington Times)

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Republican presidential candidates (left to right): former Pennsylvania Senator Rick Santorum, former Massachusetts Governor Mitt Romney, former House Speaker Newt Gingrich and Rep. Ron Paul (R-Tex) arrive on stage prior to their participation in The Republican Candidates Debate at the University of South Florida in Tampa, Fla., Monday, January 23, 2012. (Rod Lamkey Jr/ The Washington Times)

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Republican presidential candidates (left to right): former Pennsylvania Senator Rick Santorum, former Massachusetts Governor Mitt Romney, former House Speaker Newt Gingrich and Rep. Ron Paul (R-Tex) arrive on stage prior to their participation in The Republican Candidates Debate at the University of South Florida in Tampa, Fla., Monday, January 23, 2012. (Rod Lamkey Jr/ The Washington Times)

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Former Massachusetts Gov. Mitt Romney (left) and former House Speaker Newt Gingrich gesture during a Republican presidential candidate debate on Monday, Jan. 23, 2012, at the University of South Florida in Tampa, Fla. (AP Photo/Paul Sancya)

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Nancy Kelley of Tampa, Fla., applauds as Republican presidential candidate and former House Speaker Newt Gingrich speaks at a campaign stop at The River at Tampa Bay Church in Tampa, Fla., Monday, January 23, 2012. (Rod Lamkey Jr/ The Washington Times)