Republican Presidential Debate Held In Sioux City

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Republican presidential candidate, former Pennsylvania Sen. Rick... News Photo2012 United States Presidential Election,Debate,Democracy,Election,Former,Horizontal,Iowa,Looking,Pennsylvania,Politics,Presidential Candidate,Republican Party,Rick Perry - Politician,Rick Santorum,Sioux City,Talking,Texas,US Republican Party Presidential Candidate,USAPhotographer Collection: Getty Images News 2011 Getty ImagesSIOUX CITY, IA - DECEMBER 15: (AFP OUT) Republican presidential candidate, former Pennsylvania Sen. Rick Santorum (L), speaks as Texas Gov. Rick Perry, looks on 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 Eric Gay-Pool/Getty Images)