President-elect Barack Obama and Michelle Obama leave the Blair House before going to a church service at St. John's Episcopal Church across from the White House in Washington, Tuesday, Jan. 20, 2009.
President Bush, center right, and first lady Laura Bush, center left, welcome President-elect Barack Obama, far left, and his wife Michelle Obama, right, on the North Portico of the White House in Washington, Tuesday, Jan. 20, 2009.
President Bush, right, walks out with President-elect Barack Obama, left, on the North Portico of the White House before sharing the Presidential limousine enroute to Capitol Hill for the inauguration of the President-elect in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama and his wife Michelle walk on Pennsylvania Avenue near the White House in Washington, Tuesday, Jan. 20, 2009, during his inaugural parade.
President Barack Obama walks down Pennsylvania Avenue with his wife, Michelle Obama, on their way to the White House in Washington Tuesday, Jan. 20, 2009.
President Barack Obama, his wife Michelle, left, Vice President Joseph Biden, second from right, and his wife Jill, right, and Maj. Gen. Richard Rowe are saluted as they review the troops from the steps of the Capitol after Obama was sworn in as the 44th President of the United States Tuesday, Jan. 20, 2009, in Washington.
President Barack Obama waves with his daughter Malia Obama, 10, on their way to the White House in Washington Tuesday, Jan. 20, 2009.
Barack Obama arrives for his inauguration at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.
Barack Obama laughs as he sits on the inaugural stage during his inauguration as the 44th President of the United States of America on the West Front of the U.S. Capitol Tuesday, Jan 20, 2009, in Washington.
Barack Obama, left, joined by his wife Michelle, second from left, and daughters Sasha, third from left, and Malia, takes the oath of office from Chief Justice John Roberts to become the 44th president of the United States at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama, left, kisses his wife, first lady Michelle Obama, after taking the oath of office at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama greets Vice President Joe Biden, left, after Mr.Obama took the oath of office at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama is congratulated by his daughter Malia, right, as his wife Michelle and daughter Sasha, bottom right, look on after taking the oath of office at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama, right, is congratulated by daughter Sasha, lower left, as first lady Michelle Obama looks on after taking the oath of office at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama gives his inaugural address at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.
Barack Obama and Michelle Obama dance together at the Neighborhood Inaugural Ball in Washington, Jan. 20, 2009. It was the first of 10 official inaugural balls the new First Couple visited.
President Barack Obama and First Lady Michelle Obama begin their first dance together at the Neighborhood Inaugural Ball in Washington, Tuesday, Jan. 20, 2009. At rear is singer Beyonce.
President Barack Obama and First Lady Michelle Obama have their first dance of the evening at the Neighborhood Inaugural Ball in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama and First Lady Michelle Obama dance at the Commander in Chief Inaugural Ball, at the National Building Museum in Washington, Jan. 20, 2009.
As the parties continued, Mr. Obama said, "Tonight, we celebrate. Tomorrow, the work begins. ... Together, I am confident we will write the next great chapter in America's story."