Third Presidential Debate (20 images)

Democratic presidential nominee Sen. Barack Obama (D-IL) (L) and Republican presidential nominee Sen. John McCain (R-AZ) participate in the third and final presidential debate, moderated by CBS News anchorman Bob Schieffer, at Hofstra University in Hempstead, New York on October 15, 2008. (UPI Photo/John Angelillo)

Democratic presidential nominee Sen. Barack Obama (D-IL) (2nd R), his wife Michelle (R), Republican presidential nominee Sen. John McCain (R-AZ) (2nd L) and his wife Cindy stand on stage after the third and final presidential debate, moderated by CBS News anchorman Bob Schieffer, at Hofstra University in Hempstead, New York on October 15, 2008. (UPI Photo/John Angelillo)

Democratic presidential nominee Sen. Barack Obama (D-IL) (2nd R), his wife Michelle (R), Republican presidential nominee Sen. John McCain (R-AZ) (2nd L) and his wife Cindy wave to the audience after the third and final presidential debate, moderated by CBS News anchorman Bob Schieffer, at Hofstra University in Hempstead, New York on October 15, 2008. (UPI Photo/John Angelillo)

Hillary Clinton walks to her seat before the third and final presidential debate between Barack Obama and John McCain at Hofstra University in Hempstead, New York on October 15, 2008. (UPI Photo/John Angelillo) .