Republican vice presidential nominee Rep. Paul Ryan of Wisconsin watches as Vice President Joe Biden answers a question during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Rick Wilking)
Joe Biden, Paul Ryan
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin spar during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Charlie Neibergall)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin participate in the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Rick Wilking)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin shake hands after the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Michael Reynolds)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin gesture after the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Michael Reynolds)
Joe Biden, Jill Biden
Vice President Joe Biden kisses his wife, Jill Biden, following the vice presidential debate with Republican vice presidential nominee Rep. Paul Ryan, of Wisconsin, at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/David Goldman)
Paul Ryan, Janna Ryan
Republican vice presidential nominee, Rep. Paul Ryan, of Wisconsin, kisses his wife Janna following the vice presidential debate with Vice President Joe Biden at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/David Goldman)
Joe Biden, Paul Ryan
Republican vice presidential nominee Rep. Paul Ryan of Wisconsin and Vice President Joe Biden pass each other after the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Charlie Neibergall)
Republican vice presidential nominee Rep. Paul Ryan of Wisconsin and wife Janna Ryan talk to Jill Biden, wife of Vice President Joe Biden after the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Mark Humphrey)
Joe Biden, Paul Ryan, Charlie Ryan, Jill Biden, Janna Ryan
Vice President Joe Biden, center, and his wife Jill Biden, meet with Republican vice presidential candidate, Rep. Paul Ryan, R-Wis., right, his wife Janna Ryan, left, and son Charlie Ryan, center, on stage after the vice presidential debate, at Centre College in Danville, Ky., Thursday, Oct. 11, 2012. (AP Photo/Pablo Martinez Monsivais)
2012 Vice Presidential Debate
DANVILLE, KY - OCTOBER 11: U.S. Vice President Joe Biden (L) shakes hands with Republican vice presidential candidate U.S. Rep. Paul Ryan (R-WI) (R) 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. (Photo by Justin Sullivan/Getty Images)
2012 Vice Presidential Debate
DANVILLE, KY - OCTOBER 11: U.S. Vice President Joe Biden (C) and Republican vice presidential candidate U.S. Rep. Paul Ryan (R-WI) (R) participate in the vice presidential debate as moderator Martha Raddatz looks on 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. (Photo by Alex Wong/Getty Images)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
Jill Biden, wife of US Vice President Joe Biden, awaits the start of the vice presidential debate at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz of ABC News. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
2012 Vice Presidential Debate
DANVILLE, KY - OCTOBER 11: Janna Biden (C)speaks with Jill Biden (R) as U.S. Vice President Joe Biden and Republican vice presidential candidate U.S. Rep. Paul Ryan (R-WI) look on 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. (Photo by Alex Wong/Getty Images)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
US Vice President Joe Biden participates in the vice presidential debate with Republican vice presidential candidate Paul Ryan (out of frame) at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz of ABC News. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
A combination picture shows the US Vice President Joe Biden's reactions during his vice presidential debate with Republican vice presidential candidate Paul Ryan at the Norton Center at Centre College in Danville, Kentucky, October 11, 2012, moderated by Martha Raddatz of ABC News. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
US Vice President Joe Biden (L) and Republican vice presidential candidate Paul Ryan (C) shake hands following their debate at the Norton Center at Centre College in Danville, Kentucky, October 10, 2012, moderated by Martha Raddatz (R) of ABC News. AFP PHOTO / Saul LOEB AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
US-VOTE-2012-DEBATE
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. AFP PHOTO / Saul LOEB AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)
Joe Biden, Paul Ryan
Republican vice presidential nominee Rep. Paul Ryan, of Wisconsin, right, watches as Vice President Joe Biden, speaks during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/David Goldman)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin participate in the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Rick Wilking)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin participate in the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Rick Wilking)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin participate in the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Rick Wilking)
Joe Biden
Vice President Joe Biden reacts to a question during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Charlie Neibergall)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin participate in the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Michael Reynolds)
Joe Biden, Paul Ryan
Vice President Joe Biden, left, and Republican vice presidential nominee, Rep. Paul Ryan, of Wisconsin, challenge each other during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Eric Gay)
Joe Biden, Paul Ryan
Vice President Joe Biden, left, and Republican vice presidential nominee Rep. Paul Ryan, of Wisconsin, respond to moderator Martha Raddatz during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Eric Gay)
Vice President Joe Biden and Republican vice presidential nominee Rep. Paul Ryan of Wisconsin participate in the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/Pool-Rick Wilking)
Vice President Joe Biden speaks during the vice presidential debate with Republican vice presidential nominee Rep. Paul Ryan, of Wisconsin, at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/David Goldman)
In a combo photo, Vice President Joe Biden, left, and Republican vice presidential nominee Paul Ryan, of Wisconsin, face off during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/David Goldman)
The Huffington Post UK | By Ned Simons Posted: 12/10/2012 03:49 BST Updated: 12/10/2012 09:45 BST