Republican presidential candidate and former Massachusetts Gov. Mitt Romney is accompanied by a U.S. Secret Service agent as he leaves debate preparation at a hotel in Columbus, Ohio, S

 

              Republican presidential candidate and former Massachusetts Gov. Mitt Romney is accompanied by a U.S. Secret Service agent as he leaves debate preparation at a hotel in Columbus, Ohio, S
Republican presidential candidate and former Massachusetts Gov. Mitt Romney is accompanied by a U.S. Secret Service agent as he leaves debate preparation at a hotel in Columbus, Ohio, Saturday, Oct. 13, 2012. (AP Photo/Charles Dharapak)