President-elect Barack Obama and Michelle Obama are welcomed by Rev. Luis Leon as they arrive for a church service at St. John's Episcopal Church across from the White House, 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.
Barack Obama, left, takes the oath of office from Chief Justice John Roberts to become the 44th president of the United States, Tuesday, Jan. 20, 2009.
President Barack Obama gives his inaugural address, Tuesday, Jan. 20, 2009.
President Barack Obama, first lady Michelle Obama, and daughters Sasha, left, and Malia wave after Mr. Obama took the oath of office to become president, Tuesday, Jan. 20, 2009.
Former President George W. Bush, right, hugs President Barack Obama after Mr. Obama was sworn in, Tuesday, Jan. 20, 2009.
President Barack Obama waves alongside first lady Michelle Obama and Vice President Joe Biden and his wife Jill, as former President George W. Bush and his wife Laura leave the Capitol after the swearing-in ceremony, Jan. 20, 2009.
President Barack Obama is toasted by Senators Diane Feinstein D-Calif., and Harry Reid, D-Nev., during a luncheon in Statuary Hall at the Capitol Tuesday, Jan. 20, 2009 in Washington.
Sen. Ted Kennedy, D-Mass., seen here as he arrives for the swearing-in ceremony at he Capitol in Washington, later suffered a seizure at a post-inauguration luncheon for Mr. Obama and was hospitalized. Doctors are blaming fatigue.
President Barack Obama and Vice President Joe Biden enter the President's Room in the U.S. Capitol where Obama signed his first act as president after being sworn in as the 44th President of the United States during the inaugural ceremony in Washington, Tuesday, Jan. 20, 2009.
President Barack Obama waves as he leads a parade down Pennsylvania Avenue Tuesday, Jan. 20, 2009.
President Barack Obama, first lady Michelle Obama, Vice Former President George W. Bush, left, and his wife Laura Bush wave as they depart Andrews Air Force Base, Md., Tuesday, Jan. 20, 2009.
President Obama and first lady Michelle Obama appear at one of Inaugural balls in Washington on Jan. 20, 2009.