2008 Democratic National Convention

Democratic Presidential candidate Sen. Barack Obama (D-IL) (C) stands on stage with the family of his running mate Sen. Joe Biden (D-DE) after Biden's keynote address at the 2008 Democratic National Convention at the Pepsi Center in Denver, Colorado on August 27, 2008. Obama made a surprise appearance at the convention before making his acceptance speech Thursday at Invesco Field. (UPI Photo/Brian Kersey)