Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns with New Jersey Gov. Chris Christie, center, and Sen. Rob Portman, R-Ohio, far right, in Cuyahoga F

Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns with New Jersey Gov. Chris Christie, center, and Sen. Rob Portman, R-Ohio, far right, in Cuyahoga Falls, Ohio, Tuesday, Oct. 9, 2012. (AP Photo/Mark Stahl)