Republican presidential candidate and former Massachusetts Gov. Mitt Romney, left, wife Ann Romney, center, and Republican vice presidential candidate, Rep. Paul Ryan, R-Wis., stand on stage after Romney conceded the race during his election night rally, Wednesday, Nov. 7, 2012, in Boston. (AP Photo/Stephan Savoia)

Photo by: Stephan Savoia

Republican presidential candidate and former Massachusetts Gov. Mitt Romney, left, wife Ann Romney, center, and Republican vice presidential candidate, Rep. Paul Ryan, R-Wis., stand on stage after Romney conceded the race during his election night rally, Wednesday, Nov. 7, 2012, in Boston. (AP Photo/Stephan Savoia)