NASHVILLE, TN - OCTOBER 07: Democratic presidential candidate Sen. Barack Obama (D-IL) smiles on stage after the Town Hall Presidential Debate with Republican presidential candidate Sen. John McCain (R-AZ) at Belmont University's Curb Event Center October 7, 2008 in Nashville, Tennessee. Tonight's debate is the second presidential debate of three, the only one being held in the town hall style with questions coming from audience members. (Photo by Mark Wilson/Getty Images)
