Transition, celebration

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. (AP Photo/Pablo Martinez Monsivais)

Linda Walker of Bay Shore, New York lifts her hand in prayer as President Barack Obama is sworn in as 44th president of the United States in Washington on Tuesday Jan. 20, 2009. (AP Photo/ St. Petersburg Times, Martha Rial) ** TAMPA OUT. USA TODAY OUT. HERNANDO TODAY OUT. CITRUS COUNTY CHRONICLE OUT **

Crowds gather on the National Mall in Washington for the swearing-in ceremony of President-elect Barack Obama on Tuesday, Jan. 20, 2009. (AP Photo/Ron Edmonds)

Olga Clarke, left, 84, a retired teacher and nurse originally from Barbados, and Wilda Jeanbart originally of Haiti, react during the inauguration of President Barack Obama as they watched the proceedings on a large screen television at Brooklyn's Fort Greene Senior Action Center in New York, Tuesday, Jan. 20, 2009. Clarke said the prospects of a black president once were unimaginable, recalling when she first came to this country 58 years ago and had to sit in the back of the bus. (AP Photo/Kathy Willens)

Vice President Joe Biden reacts to the crowd with his wife Jill after emerging from his limousine on Pennsylvania Avenue in the inaugural parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Gerald Herbert)

A Secret Service security detail walks with Vice President Joe Biden during the inaugural parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Gerald Herbert)

People hold hands to celebrate the inauguration of Barack Obama as the new president of the U.S. in Puerto Tejada, Colombia, Tuesday, Jan. 20, 2009. Descendants of African slaves had the day off in this town of mostly sugar cane cutting workers, in Colombia's Cauca valley, to celebrate Obama's inauguration. (AP Photo/Christian Escobar Mora)

President Barack Obama and first lady Michelle Obama stand with former President George W. Bush and Laura Bush on the East steps of the Capitol in Washington as they bid farewell after Obama was sworn in as the 44th president, Tuesday, Jan. 20, 2009. (AP Photo/Charles Dharapak)

U.S. Secret Service agents walk alongside President Barack Obama and first lady Michelle Obama as they wave to crowds along the inaugural parade route in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Charles Dharapak)

Police officers take pictures with cameras and cell phones as the limousine of President Barack Obama and first lady Michelle Obama drive past on the inaugural parade route in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Charles Dharapak)

The new presidential limousine is parked on the north driveway of the White House before it transports President George W. Bush and President-elect Barack Obama to the inauguration ceremony at the Capitol in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Charles Dharapak)

A Secret Service agent readies the new presidential limousine that will take President George W. Bush and President-elect Barack Obama from the White House to the inauguration ceremony at the Capitol in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Charles Dharapak)

Vice President Joe Biden reacts to the crowd as he participates in the Inaugural Parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Gerald Herbert)

President Barack Obama waves from inside his limousine as it drives in the inaugural parade route in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Charles Dharapak)

President Barack Obama and first lady Michelle Obama walk in the inaugural parade as they turn the corner outside the U.S. Treasury Building in Washington Tuesday, Jan. 20, 2009. (AP Photo/Elise Amendola)

President Barack Obama and first lady Michelle Obama walk in the inaugural parade as they turn the corner outside the U.S. Treasury Building in Washington Tuesday, Jan. 20, 2009. (AP Photo/Elise Amendola)

Vice President Joe Biden reacts to the crowd after emerging from his limousine on Pennsylvania Avenue as he participates in the Inaugural Parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Gerald Herbert)

President Barack Obama and first lady Michelle Obama walk down Pennsylvania Avenue en route to the White House, Tuesday, Jan. 20, 2009, Washington. (AP Photo/Doug Mills, Pool)

President Barack Obama and first lady Michelle Obama walk down Pennsylvania Avenue en route to the White House, Tuesday, Jan. 20, 2009, Washington. (AP Photo/Doug Mills, Pool)

President Barack Obama and first lady Michelle Obama walk down Pennsylvania Avenue en route to the White House, Tuesday, Jan. 20, 2009, Washington. (AP Photo/Doug Mills, Pool)

President Barack Obama and first lady Michelle Obama limousine travels down Pennsylvania Avenue en route to the White House, Tuesday, Jan. 20, 2009, Washington. (AP Photo/Doug Mills, Pool)

Former President George W. Bush, left, shakes hands with President Barack Obama before getting into a military helicopter as first lady Michelle Obama looks on after theswearing-in of Obama as the 44th President of the United States in Washington,Tuesday, Jan. 20, 2009. (AP Photo/John Moore, Pool)

Inauguration day spectators catch up on some sleep in the Smithsonian National Air and Space Museum, Tuesday, Jan. 20, 2009, in Washington. (AP Photo/Kevin Wolf)

President Barack Obama and Vice President Joe Biden watch the inaugural parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Jae Hong)

Andria Nevs, of Brasilia, Brazil, poses with a cardboard cutout of President Obama Tuesday, Jan. 20, 2009, in Washington. Nevs traveled to Washington for the Inauguration. (AP Photo/Kevin Wolf)

James Concannon and his wife, Karen, of Columbia, Md., watch a giant screen on the National Mall as it shows President Obama and the first lady walk in the Inaugural Parade, Tuesday, Jan. 20, 2009, in Washington. (AP Photo/Kevin Wolf)

President Barack Obama gives his inaugural address after being sworn in as 44th president of the United States at the U.S. Capitol in Washington, Jan. 20, 2009.(AP Photo/Jim Bourg, Pool)

A sailor salutes as the limousine carrying President George W. Bush and President-elect Barack Obama leave the White House in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Charlie Neibergall)

Various flag are waved during the inaugural parade for President Barack Obama in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Jae Hong)

President Barack Obama's daughters Malia and Sasha watch the inaugural parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Jae Hong)

Former President George W. Bush salutes as he and former first lady Laura Bush head to a Marine helicopter on the East Front of the U.S. Capitol Building after Barack Obama was sworn in as the 44th President of the United States Tuesday, Jan. 20, 2009. (AP Photo/Tannen Maury, Pool)

Sasha Obama and Michelle Obama wave through the limousine window as they leave the United States on Capitol Hill in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Susan Walsh)

President Barack Obama and Chief of Naval Operations Adm. Gary Roughead salute during the inaugural parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Pablo Martinez Monsivais

President Barack Obama and first lady Michelle Obama wave during the inaugural parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Jae Hong)

Vice President Joe Biden and his wife Jill watch former Vice President Dick Cheney leave the East Front of the U.S. Capitol Building after Barack Obama was sworn in as the 44th President of the United States in Washington Tuesday, Jan. 20, 2009. (AP Photo/Tannen Maury, Pool)

President Barack Obama talks with former President George W. Bush as they arrive with First Lady Michelle Obama, right, and Laura Bush at a helicopter as the Bushes prepare to leave the U.S. Capitol after Obama was sworn in as the 44th President of the United States in Washington Jan. 20, 2009. (AP Photo/Saul LOEB, Pool)

Former President George W. Bush departs in a U.S. Marine helicopter from the Capitol after the swearing in of President Barack Obama as the 44th President of the United States during the 56th Presidential Inauguration ceremony in Washington Tuesday, Jan. 20, 2209. Obama and his wife Michelle and Vice president Joseph Biden and his wife Jill wave from the Capitol steps. (AP Photo/Tannen Maury, Pool)

President Barack Obama, his wife Michelle, left, Vice President Joseph Biden, second from right, and his wife Jill, right, are escorted by Major General Richard Rowe as they prepare to 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. (AP Photo/Tannen Maury, Pool)

Left-right: Vice President Joe Biden, Jill Biden, Michelle Obama and President Barack Obama walk up the steps of the East Front of the Capitol after seeing off a Marine helicopter with former President George W. Bush on board after Barack Obama was sworn in as the 44th President of the United States in Washington Tueaday, Jan. 20, 2009. (AP Photo/Tannen Maury, Pool)

Former President George W. Bush, center, walks to a waiting helicopter alongside President Barack Obama, Vice President Joe Biden and first lady Michelle Obama,after Obama was sworn in as the 44th US president at the US Capitol in Washington Tuesday, Jan. 20, 2009. (AP Photo/Saul Loeb, Pool)

(Left - right: Michelle Obama, President Barack Obama, former President George W. Bush and Laura Bush wait to wave goodbye as former Vice President Dick Cheney departs on the East Front of the Capitol after Barack Obama was sworn in as the 44th President of the United States in Washington Tuesday, Jan. 20, 2009. (AP Photo/Tannen Maury, Pool)

A Marine Corps' helicopter carrying former President George W. Bush flies past the U.S. Capitol for the final time en route to Andrews Air Force Base following the presidential inauguration of Barack Obama, Tuesday, Jan. 20, 2009, in Washington. (AP Photo/Haraz N. Ghanbari)