Obama Takes Center Stage

Democratic presidential candidate, Sen. Barack Obama, D-Ill., gives his acceptance speech at the Democratic National Convention at Invesco Field at Mile High in Denver, Thursday, Aug. 28, 2008.

Democratic presidential nominee, Sen. Barack Obama, D-Ill., gives his acceptance speech at the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.

Democratic presidential nominee, Sen. Barack Obama, D-Ill., delivers his speech during the final session of the Democratic National Convention at Invesco Field in Denver, Thursday, Aug. 28, 2008.

Michelle Obama, wife of Democratic presidential nominee, Sen. Barack Obama, D-Ill., and daughters, Malia, left, and Sasha are seen on the final night of the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.

Democratic presidential candidate, Sen. Barack Obama, D-Ill., hugs his wife, Michelle Obama, after giving his acceptance speech at the Democratic National Convention at Invesco Field at Mile High in Denver Thursday, Aug. 28, 2008.

Fireworks explode over Invesco Field at the end of the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.

Democratic presidential nominee, Sen. Barack Obama, D-Ill., waves with his daughter Sasha, 7, after his speech during the final session of the Democratic National Convention at Invesco Field in Denver, Thursday, Aug. 28, 2008.

Democratic presidential nominee, Sen. Barack Obama, D-Ill., hugs democratic vice presidential nominee Sen. Joe Biden, D-Del., as Obama's wife Michelle, far left, hugs Biden's wife Jill after Obama's speech during the final session of the Democratic National Convention at Invesco Field in Denver, Thursday, Aug. 28, 2008.

Democratic vice presidential nominee Sen. Joe Biden, D-Del., acknowledges the crowd at the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.

Former Vice President Al Gore waves after addressing the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.

Musicians will.i.am., left, and John Legend perform "Yes We Can" on the final day of the Democratic National Convention at Invesco Field in Denver, Thursday, Aug. 28, 2008.

Mark Reese, 13, from Golden, Colo., waves a flag before Democratic presidential nominee Barack Obama, D-Ill., gives his speech during the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.

Democratic presidential candidate, Sen. Barack Obama, D-Ill., speaks after making a surprise visit to the Illinois delegation luncheon in Denver ahead of his much-anticipated speech as the Democratic National Convention comes to a close, Thursday, Aug. 28, 2008.

Democratic presidential candidate, Sen. Barack Obama, D-Ill., smiles as he makes a surprise visit to the Illinois delegation women's luncheon in Denver, Thursday, Aug. 28, 2008.

A woman holds a pin with Martin Luther King on it at the Democratic National Convention in Denver, Thursday, Aug. 28, 2008. Barack Obama will accept the Democrats' nomination, the first black person to claim such a prize, on the 45th anniversary of Martin Luther King Jr.'s historic "I Have a Dream" speech. The Democrats officially made Obama their presidential nominee on Wednesday.

Sheryl Crow rehearses for her performance later at the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.

Former Vice President Al Gore looks over the podium at Invesco Field at Mile High at the Democratic National Convention in Denver, Thursday, Aug. 28, 2008, prior to his scheduled speech.

Democratic vice presidential candidate Sen. Joe Biden, D-Del., takes a photo of himself with an unidentified Army National Guardswoman Thursday, Aug. 28, 2008, at Invesco Field in Denver. The troops, from Georgia and Nebraska, were in Denver to provide medical and rescue assistance to local and national authorities during the Democratic National Convention.

Olympic gold medalist in gymnastics Shawn Johnson waves during a rehearsal for the final night of the Democratic National Convention at Invesco Field in Denver, Thursday, Aug. 28, 2008.

Singer Stevie Wonder rehearses on stage at Invesco Field at the Democratic National Convention in Denver, Thursday, Aug. 28, 2008.