Republican Presidential Debate Held In Sioux City

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Republican presidential candidate former Massachusetts Gov. Mitt... News Photo2012 United States Presidential Election,Answering,Asking,Debate,Democracy,Election,Former,Horizontal,Iowa,Listening,Massachusetts,Mitt Romney,Newt Gingrich,Politics,Presidential Candidate,Republican Party,Sioux City,US Republican Party Presidential Candidate,USAPhotographer Collection: Getty Images News 2011 Getty ImagesSIOUX CITY, IA - DECEMBER 15: Republican presidential candidate former Massachusetts Gov. Mitt Romney (L), listens as former Speaker of the House Newt Gingrich answers a question during the Fox News Channel debate at the Sioux City Convention Center on December 15, 2011 in Sioux City, Iowa. The GOP contenders are in the final stretch of campaigning in Iowa where the January 3rd caucus is the first test the candidates must face before becoming the Republican presidential nominee. (Photo by Scott Olson/Getty Images)