US Vice President Joe Biden (L) and Republican vice presidential candidate Paul Ryan (R) shake hands following their debate at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz of ABC News. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
US Vice President Joe Biden (L) participates in the vice presidential debate with Republican vice presidential candidate Paul Ryan (R) at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz (C) of ABC News. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
A combination picture of the vice presidential debate between US Vice President Joe Biden (L) and Republican vice presidential candidate Paul Ryan (R) at the Norton Center at Centre College in Danville, Kentucky, October 11, 2012, moderated by Martha Raddatz of ABC News. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
Republican vice presidential candidate Paul Ryan greets family following his debate with US Vice President Joe Biden at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz (R) of ABC News. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
US Vice President Joe Biden (L) greets Janna Ryan, wife of Republican vice presidential candidate Paul Ryan, following the vice presidential debate at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz of ABC News. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
US Vice President Joe Biden (R) and Republican vice presidential candidate Paul Ryan (L) depart the stage following their debate at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz of ABC News. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
Republican vice presidential candidate Paul Ryan (R) participates in the vice presidential debate with US Vice President Joe Biden (out of frame) at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz (L) of ABC News. (credit: SAUL LOEB/AFP/GettyImages
Vice Presidential Debate 2012
US Vice President Joe Biden (L) and Republican vice presidential candidate Paul Ryan (R) participate in the vice presidential debate at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz (C) of ABC News. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
Moderator Martha Raddatz of ABC News awaits the start of the vice presidential debate between US Vice President Joe Biden and Republican candidate Paul Ryan at the Norton Center, Centre College, in Danville, Kentucky, October 10, 2012. (credit: SAUL LOEB/AFP/GettyImages)
Vice Presidential Debate 2012
U.S. Vice President Joe Biden (L) kisses his wife Dr. Jill Biden after the vice presidential debate at Centre College October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Justin Sullivan/Getty Images)
Vice Presidential Debate 2012
Republican vice presidential candidate U.S. Rep. Paul Ryan (R-WI) and wife Janna Ryan walk off the stage after the vice presidential debate at Centre College October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Win McNamee/Getty Images)
Vice Presidential Debate 2012
U.S. Vice President Joe Biden (L) and Republican vice presidential candidate U.S. Rep. Paul Ryan (R-WI) participate in the vice presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Rick Wilking-Pool/Getty Images)
Vice Presidential Debate 2012
U.S. Vice President Joe Biden (L) and Republican vice presidential candidate U.S. Rep. Paul Ryan (R-WI) participate in the vice presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Rick Wilking-Pool/Getty Images)
Vice Presidential Debate 2012
U.S. Vice President Joe Biden speaks during the vice presidential debate at Centre College October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Chip Somodevilla/Getty Images)
Vice Presidential Debate 2012
U.S. Rep. Paul Ryan (R-WI) speaks during the vice presidential debate at Centre College October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Justin Sullivan/Getty Images)
Vice Presidential Debate 2012
U.S. Vice President Joe Biden (L) shakes hands with moderator Martha Raddatz during the vice presidential debate at Centre College October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Chip Somodevilla/Getty Images)
Vice Presidential Debate 2012
Republican vice presidential candidate U.S. Rep. Paul Ryan (R-WI) (C) shakes hands with U.S. Vice President Joe Biden (R) as moderator Martha Raddatz looks on before the vice presidential debate at Centre College on October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (credit: Michael Reynolds-Pool/Getty Images)
