President-elect Barack Obama celebrates at the election night rally in Chicago, Tuesday, 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, 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.
Patricia Saddle, left, wipes her tears after the announcement of Democratic presidential Sen. Barack Obama's victory during an election night party at the Bronzeville Visitor Information Center in Chicago, Tuesday, Nov. 4, 2008.
Supporters react to projections while watching television monitors at the election night party for Democratic presidential candidate Sen. Barack Obama, D-Ill., at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
Supporters react as they watch projections on television monitors at the election night party for Democratic presidential candidate Sen. Barack Obama, D-Ill., at Grant Park in Chicago, Tuesday night, Nov. 4, 2008.
Democratic presidential candidate Sen. Barack Obama, D-Ill., right, and his wife Michelle, cast their votes at a polling place in Chicago, Tuesday, Nov. 4, 2008.
Democratic presidential hopeful, Sen. Barack Obama D-Ill., center, is covered in hands as supporters surround him after his primary election night speech in St Paul, Minn., Tuesday, June 3, 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., talks on the phone with a voter at the UAW Local 550 Union Hall in Indianapolis, Tuesday, Nov. 4, 2008.
Democratic presidential candidate Sen. Barack Obama, D-Ill., eats shaved ice with his daughters Sasha Obama, 7, second from left, and Malia Obama 10, second from right, and unidentified friends Aug. 13, 2008, in Kailua, Hawaii while on a vacation.
Democratic presidential candidate Sen. Barack Obama, D-Ill., speaks at a rally in the Crown Center Coliseum in Fayetteville, N.C., Sunday, Oct. 19, 2008.
Democratic presidential nominee Sen. Barack Obama, D-Ill., makes a point as Republican presidential nominee Senator John McCain, R-Ariz., listens during a town hall-style presidential debate at Belmont University in Nashville, Tenn., Tuesday, Oct. 7, 2008.
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 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.
In this photo released by the U.S. army, U.S. presidential candidate Barack Obama, left, top U.S. military commander in Iraq, David Petraeus, center, and U.S. Senator Chuck Hagel, R-Neb, ride inside a helicopter in Baghdad, Iraq, Monday, July 21, 2008.
Democratic presidential hopeful Sen. Barack Obama, D-Ill., speaks at a campaign stop Wednesday, Jan. 2, 2008, in Des Moines, Iowa.
Democratic presidential hopefuls Sen. Hillary Rodham Clinton, D-N.Y., right, looks at Sen. Barack Obama, D-Ill., after they arrived for a Democratic debate at the Kodak Theater Jan. 31, 2008, in Los Angeles.