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 reacts as Republican Vice-President nominee Paul Ryan responds to a question at the Vice-Presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. UPI/Brian Kersey
Vice-President Joe Biden (R) shakes hands with Republican Vice-President nominee Paul Ryan at the Vice-Presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. UPI/Mark Reynolds POOL
Vice-President Joe Biden (L) and Republican Vice-President nominee Paul Ryan stand on stage at the Vice-Presidential debate at Centre College on October 11, 2012 in Danville, Kentucky.. UPI/Michael Reynolds POOL
Vice-President Joe Biden (R) speaks to moderator Martha Raddatz (C) as Republican Vice-President nominee Paul Ryan listens at the Vice-Presidential debate at Centre College on October 11, 2012 in Danville, Kentucky.. UPI/Michael Reynolds POOL