Republican presidential nominee Mitt Romney and President Barack Obama spar during the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in Hempstead, N.Y. (AP Photo/Charlie Neibergall)

Associated Press
Republican presidential nominee Mitt Romney  and President Barack Obama spar during the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in Hempstead, N.Y. (AP Photo/Charlie Neibergall)
Republican presidential nominee Mitt Romney and President Barack Obama spar during the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in Hempstead, N.Y. (AP Photo/Charlie Neibergall)