President Barack Obama watches the vice presidential debate aboard Air Force One with staff while heading home from Florida on Thursday. Pete Souza/White House
Vice President Joe Biden and U.S. Rep. Paul Ryan walk off stage after the vice presidential debate. Getty Images
Vice presidential candidate Ryan greets family following his debate with Vice President Biden. AFP/Getty Images
Vice President Joe Biden and Rep. Paul Ryan mingle with their families after the debate. Getty Images
Vice President Biden smiles during the debate. Getty Images
Rep. Paul Ryan listens closely during the debate. Getty Images
Vice President Biden and vice presidential candidate U.S. Rep. Ryan go head to head in the first and only vice presidential debate. Getty Images
Vice President Biden reacts to comments made during the debate. Getty Images
Vice presidential candidate Ryan lays out his views. AFP/Getty Images
Vice President Biden responds to points made. Getty Images
Vice presidential candidate Paul Ryan engages the moderator during the vice presidential debate. AFP/Getty Images
Vice President Biden gestures to accentuate his point. AFP/Getty Images
U.S. Vice President Joe Biden, left, engages in the first and only vice presidential debate on Thursday, October 11. AFP/Getty Images
Vice President Biden reacts during the debate. Getty Images
Vice President Biden and vice presidential candidate Paul Ryan face off. AFP/Getty Images
Vice President Biden greets Republican vice presidential candidate Paul Ryan as they take the stage. Getty Images
Vice President Joe Biden speaks during the vice presidential debate as moderator Martha Raddatz looks on. Getty Images
Vice President Biden, left, and Republican vice presidential candidate Ryan, right, participate in the debate. Getty Images
Ryan speaks during the debate. Getty Images
Biden presents his views on Thursday. Getty Images
Ryan awaits his turn to speak. Getty Images
Vice President Joe Biden, left, shakes hands with Republican vice presidential candidate Paul Ryan before the vice presidential debate. Getty Images
Janna Ryan, wife of Paul Ryan, waves to the crowd. Getty Images
Dr. Jill Biden, wife of Joe Biden, greets the crowd. Getty Images
An audience member holds a debate program. Getty Images
Debate moderator Martha Raddatz speaks to the crowd prior to the start of the vice presidential Debate. Getty Images