Ron Paul spoke to a packed house at the Knapp Learning Center during his "Salute to the Military" event in Des Moines, Iowa, on Wednesday. Becky Lettenberger/NPR hide caption

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Republican presidential contender Mitt Romney campaigning in Ames, Iowa, on Thursday (Dec. 29, 2011). Chip Somodevilla/Getty Images hide caption

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A young Mitt Romney supporter holds yard signs Thursday at a campaign event at J's Homestyle Cooking in Cedar Falls, Iowa. Chip Somodevilla/Getty Images hide caption

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A volunteer arranges buttons before Mitt Romney speaks Wednesday in Clinton, Iowa. Chris Carlson/Associated Press hide caption

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Minnesota Rep. Michele Bachmann signs autographs at the Pizza Ranch in Indianola, Iowa, on Wednesday. The restaurant was largely empty aside from a few local Iowans, media and Bachmann staff. Becky Lettenberger//NPR hide caption

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A young supporter backs former Massachusetts Gov. Mitt Romney as he speaks on Wednesday at Homer's Deli and Bakery in Clinton, Iowa. Chris Carlson/Associated Press hide caption

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Texas Gov. Rick Perry attends the Westside Conservative Club breakfast Wednesday in Urbandale, Iowa. Eric Gay/Associated Press hide caption

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An Occupy camp at College Green Park in Iowa City, Iowa. The camp was mostly empty aside from three men. Becky Lettenberger/NPR hide caption

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Looking for Newt Gingrich? Don't type "newtgingrich.com." You might get directed to Freddie Mac, Tiffany's or other sites that bring to mind less flattering stories about the Republican presidential candidate. FreddieMac.com hide caption

itoggle caption FreddieMac.com

Former House speaker Newt Gingrich (right) and Herman Cain during a Republican presidential debate Nov. 22, 2011, in Washington, D.C. Mandel Ngan/AFP/Getty Images hide caption

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