Herman Cain on the campaign trail
Republican presidential candidates from left, former Pennsylvania Sen. Rick Santorum, Rep. Ron Paul, R-Texas, Texas Gov. Rick Perry, former Massachusetts Gov. Mitt Romney, businessman Herman Cain, former House Speaker Newt Gingrich, Rep. Michele Bachmann, R-Minn., and former Utah Gov. Jon Huntsman pose for a photo before a Republican presidential debate in Washington, Tuesday, Nov. 22, 2011.
Credit: AP Photo/Evan Vucci
