Former Massachusetts Gov. Mitt Romney, left, chats with former Vice President Al Gore, lower right, as they stand along with former Tennessee Sen. Fred Thompson, top, and Tipper Gore before the start of a townhall-style presidential debate between Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., at Belmont University in Nashville, Tenn., Tuesday, Oct. 7, 2008.
(AP Photo/J. Scott Applewhite)