U.S. President Obama listens as Republican presidential nominee Romney speaks during the final presidential debate in Boca Raton

 
U.S. President Obama listens as Republican presidential nominee Romney speaks during the final presidential debate in Boca Raton
U.S. President Barack Obama (R) listens as Republican presidential nominee Mitt Romney (L) speaks during the final U.S. presidential debate in Boca Raton, Florida October 22, 2012. REUTERS/Rick Wilking