Event Photography: DNC0827_obama_biden_web

Barack Obama surprises his choice for vice president, Joe Biden, with an appearance on stage at the Democratic National Convention.

DENVER-AUGUST 27: Senator Barack Obama surprises his choice for vice president, Senator Joe Biden, with an appearance on stage after Biden made his acceptance speech at the Democratic National Convention August 27, 2008 in Denver at the Pepsi Center. Biden will join Senator Barack Obama on the Democratic ticket.