Vice President Joe Biden smiles after filing papers for President Obama to be on the N.H. primary ballot. (AP Photo/Jim Cole)
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Vice President Joe Biden smiles after filing papers for President Obama to be on the N.H. primary ballot. (AP Photo/Jim Cole)
Jim Cole/AP hide caption
HANOVER, NH - OCTOBER 11: (L-R) Jon Huntsman, U.S. Rep. Michele Bachmann (R-MN), Texas Gov. Rick Perry, Herman Cain and Mitt Romney laugh during the Republican Presidential debate hosted by Bloomberg and the Washington Post on October 11, 2011 at Dartmouth College in Hanover, New Hampshire.
Justin Sullivan/Getty Images hide captionNew Jersey Gov. Chris Christie speaks at the Ronald Reagan Presidential Library in Simi Valley, Calif. on Sept. 27. Jae C. Hong/AP hide caption
Herman Cain speaks prior to Florida's straw poll at the Orange County Convention Center on Saturday in Orlando. Cain was a clear winner in the non-binding poll. Mark Wilson/Getty Images hide caption