Republican presidential nominee Mitt Romney and President Barack Obama spar over energy policy during the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in H

 

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