Aug. 11, 2011: Minnesota Rep. Michele Bachmann and former Minnesota Gov. Tim Pawlenty exchange criticism during the debate in Ames, Iowa.
Aug. 11, 2011: The debate is sponsored by Fox News, the Washington Examiner and the Iowa Republican Party.
Aug. 11: The stage is set for the Fox News GOP Debate.
Aug. 11: Jon Huntsman and Newt Gingrich backstage at the Fox News GOP Debate in Ames, Iowa.
Aug. 8: Herman Cain in Council Bluffs, Iowa.
Aug. 10: Mitt Romney at the Polk County fundraiser in Des Moines, Iowa.
Aug. 10: Michele Bachmann at the Competitive Edge factory in Clive, Iowa.
Aug. 10: Tim Pawlenty in Adel, Iowa.
Aug. 11: Ron Paul in Ames, Iowa.
Eight Republican presidential hopefuls face off against one another at Thursday night's debate in Iowa, as they try to convince voters in Iowa and across the country that they're uniquely fit to defeat President Obama in 2012.