Republican presidential candidate Mitt Romney (right) and President Obama walk past each other onstage at the end of the final presidential debate, at Lynn University in Boca Raton, Fla., on Monday, Oct. 22, 2012. (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

Republican presidential candidate Mitt Romney (right) and President Obama walk past each other onstage at the end of the final presidential debate, at Lynn University in Boca Raton, Fla., on Monday, Oct. 22, 2012. (AP Photo/Pablo Martinez Monsivais)