Republican presidential nominee Mitt Romney and U.S. President Barack Obama shake hands at the conclusion of the final U.S. presidential debate in Boca Raton

 
Republican presidential nominee Mitt Romney and U.S. President Barack Obama shake hands at the conclusion of the final U.S. presidential debate in Boca Raton
Republican presidential nominee Mitt Romney (L) and U.S. President Barack Obama shake hands at the conclusion of the final U.S. presidential debate in Boca Raton, Florida, October 22, 2012. REUTERS/Jason Reed