Vice President Joe Biden joins Republican vice presidential candidate Paul Ryan and moderator Martha Raddatz for the vice presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. UPI/Brian Kersey
Vice-President Joe Biden listens to a question at the Vice-Presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. UPI/Brian Kersey
Republican Vice-President nominee Paul Ryan gestures at the Vice-Presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. UPI/Brian Kersey
Vice-President Joe Biden smiles during Republican Vice-President nominee Paul Ryan's response to a question at the Vice-Presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. UPI/Brian Kersey