Vice President Joe Biden, who said he's been asked to campaign in more than 100 congressional districts, heads to Atlanta today for an event for Michelle Nunn, a U.S. Senate hopeful.
Nunn, the daughter of former U.S. Sen. Sam Nunn, is seeking the seat of retiring Sen. Saxby Chambliss, R-Ga., and her candidacy has given the Democrats a rare chance at picking up a seat in the Deep South.