Michelle Obama, wife of Democratic presidential candidate, Sen. Barack Obama, D-Ill., speaks during the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Delegates wave flags during the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Craig Robinson, right, greets his sister Michelle Obama, before her speech at the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Sen. Edward M. Kennedy, D-Mass., speaks during the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Speaker of the House Nancy Pelosi, D-Calif., addresses the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Democratic vice presidential candidate, Sen. Joe Biden, D-Del., smiles after arriving at the Pepsi Center for the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Democratic National Committee Chairman Howard Dean gavels the convention to order during the start of the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Police spray protesters during the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
The stage is vacuumed prior to the start of the Democratic National Convention in Denver, Monday, Aug. 25, 2008. The four-day gathering will nominate Barack Obama as the Democratic presidential candidate and fellow Sen. Joe Biden as his running mate.
John Legend rehearses with the Agape Choir, from the International Spiritual Center, Culver City, Calif., before the start of the Democratic National Convention in Denver, Monday, Aug. 25, 2008.
Michelle Obama, wife of Democratic presidential candidate, Sen. Barack Obama, D-Ill., stands at the podium as she tours the site of the Democratic National Convention in Denver, Monday morning, Aug. 25, 2008. The Democratic gathering begins Monday evening.
Michelle Obama waves as she looks over the podium with her daughters Malia, 10, left, and Sasha, 7, at the Democratic National Convention in Denver, Monday, Aug. 25, 2008. Michelle Obama was to address the convention later in the evening.
A worker is silhouetted by a projected sign at the site of the Democratic National Convention in Denver, Sunday, Aug. 24, 2008.
Fans are seen during the Green Sunday at Red Rocks Democratic National Convention welcoming concert in Morrison, Colo. on Sunday, Aug. 24, 2008.
Robert F. Kennedy Jr. speaks during the Green Sunday At Red Rocks Democratic National Convention welcoming concert in Morrison, Colo. on Sunday, Aug. 24, 2008.
Musician Dave Matthews performs at the Green Sunday At Red Rocks Democratic National Convention welcoming concert in Morrison, Colo. on Sunday, Aug. 24, 2008.
Musician Sheryl Crow performs at the Green Sunday At Red Rocks Democratic National Convention welcoming concert in Morrison, Colo. on Sunday, Aug. 24, 2008.
Singer Jennifer Nettles, of the group Sugarland, performs with the band at the Green Sunday At Red Rocks Democratic National Convention welcoming concert in Morrison, Colo. on Sunday, Aug. 24, 2008.
An unidentified worker moves the Delaware state standard on the floor of the upcoming Democratic National Convention in Denver, Saturday, Aug. 24, 2008. The delegation was moved to the front of the convention floor following the naming of Delaware Senator Joe Biden as Barack Obama's vice-president designate.
Police on bikes roll out as they prepare for a demonstration at the capitol building as the city prepares for Democratic National Convention in Denver, Sunday, Aug. 24, 2008.