The Final Debate

Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., greet each other at the start of the presidential debate Wednesday, Oct. 15, 2008, at Hofstra University in Hempstead, N.Y.

Democratic presidential candidate Sen. Barack Obama, D-Ill., left, and Republican candidate Sen. John McCain, R-Ariz., center, face off during their final presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008. At right is moderator Bob Schieffer.

Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., exchange responses as debate moderator Bob Schieffer listens during a presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Democratic presidential candidate Sen. Barack Obama, D-Ill., left, and Republican presidential candidate Sen. John McCain, R-Ariz., talk during the presidential debate Wednesday, Oct. 15, 2008, at Hofstra University in Hempstead, N.Y.

Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., talk during the presidential debate Wednesday, Oct. 15, 2008, at Hofstra University in Hempstead, N.Y.

Democratic presidential candidate Sen. Barack Obama, D-Ill., speaks during a presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Republican presidential candidate Sen. John McCain, R-Ariz., reacts as Democratic presidential candidate Sen. Barack Obama, D-Ill., speaks during their presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Debate moderator Bob Schieffer listens during the presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Democratic presidential candidate Sen. Barack Obama, D-Ill., listens as Republican presidential candidate Sen. John McCain, R-Ariz., speaks during the presidential debate Wednesday, Oct. 15, 2008, at Hofstra University in Hempstead, N.Y.

Republican presidential candidate Sen. John McCain, R-Ariz., is shown on television screens at the media filing center during the final presidential debate with Democratic presidential candidate, Sen. Barack Obama, D-Ill., at Hofstra University in Hempstead, N.Y, Wednesday, Oct. 15, 2008.

Democratic presidential candidate Sen. Barack Obama, D-Ill., left, and Republican candidate Sen. John McCain, R-Ariz., shake hands at the finish of a presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., wave to the audience after a presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Republican presidential candidate Sen. John McCain, R-Ariz., accompanied by his wife Cindy, shakes hands with Democratic presidential candidate Sen. Barack Obama, D-Ill., accompanied by his wife Michelle, after a presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Republican vice presidential candidate Alaska Gov. Sarah Palin and her husband Todd Palin watch the final presidential debate from their hotel room in Manchester, N.H., Wednesday, Oct. 15, 2008.

Sen. Hillary Rodham Clinton, D-N.Y., applauds at the presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Former Republican presidential hopeful, former Massachusetts Gov. Mitt Romney at the presidential debate at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.

Anna Wintour, editor-in-chief of American Vogue, sits in the audience before a presidential debate between Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.