President-elect Barack Obama waves as he takes the stage at his election night party in Chicago's Grant Park, Tuesday, Nov. 4, 2008.
President-elect Barack Obama smiles as he gives his acceptance speech at Grant Park in Chicago Tuesday night, Nov. 4, 2008.
President-elect Barack Obama, left, his wife Michelle Obama, right, and two daughters, Malia, 7, and Sasha, 10, wave at the election night rally in Chicago, Tuesday, Nov. 4, 2008.
President-elect Barack Obama gives his acceptance speech at Grant Park in Chicago Tuesday night, Nov. 4, 2008.
President-elect Barack Obama speaks at an election night rally in Chicago, Tuesday, Nov. 4, 2008, after being elected the nation's first black president in a historic triumph that overcame racial barriers as old as America itself.
President-elect Barack Obama walks on stage to deliver his victory speech at his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama and his family walk on stage to speak as his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama delivers his victory speech at his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama and vice president-elect Joe Biden, right, wave to their supporters after Obama delivered his victory speech at his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama delivers his victory speech at his election night party in Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama speaks to supporters during his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama kisses wife Michelle after his acceptance speech at his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama and his wife, Michelle, left, and Vice President-elect Joe Biden and his wife, Jill, wave to the crowd after Obama's acceptance speech at his election night party at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
President-elect Barack Obama celebrates at the election night rally in Chicago, Tuesday, Nov. 4, 2008.