Republican presidential nominee Mitt Romney gives a thumbs up towards the crowd after the third presidential debate at Lynn University, Monday, Oct. 22, 2012, in Boca Raton, Fla. (AP Photo/Pool, Win McNamee)

Photo by: Win McNamee

Republican presidential nominee Mitt Romney gives a thumbs up towards the crowd after the third presidential debate at Lynn University, Monday, Oct. 22, 2012, in Boca Raton, Fla. (AP Photo/Pool, Win McNamee)