2012 White House Easter Egg Roll

U.S. President Barack Obama (C) speaks to participants along with (L-R) first lady Michelle Obama, and daughters Sasha and Malia during the White House Easter Egg Roll on the South Lawn of the White House on April 9, 2012 in Washington, DC. Thousands of people people are expected to attend the 134-year-old tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878.

US President Barack Obama walks with his daughters Malia (L) and Sasha behind the Easter bunny during the 134th annual Easter Egg Roll on the South Lawn of the White House April 9, 2012 in Washington, D.C.

President Barack Obama greets children on the South Lawn of the White House in Washington, April 9, 2012, during the annual White House Easter Egg Roll.

Crowds of children and their families take part in the White House Easter Egg Roll on the South Lawn of the White House April 9, 2012, in Washington, D.C.

President Barack Obama and his family attend the opening of the Easter Egg Roll festivities at the White House in Washington, April 9, 2012. From left are President Obama, Malia Obama, first lady Michelle Obama, and Sasha Obama.

US President Barack Obama blows a whistle to start an egg rolling race during the 134th annual Easter Egg Roll on the South Lawn of the White House April 9, 2012 in Washington, D.C.

Children participate in the annual White House Easter Egg Roll on the South Lawn of the White House in Washington, April 9, 2012.

U.S. President Barack Obama (L) helps a young participant roll an egg during the White House Easter Egg Roll on the South Lawn of the White House on April 9, 2012 in Washington, D.C.

A young girl takes part in the White House Easter Egg Roll on the South Lawn of the White House April 9, 2012, in Washington, D.C.

U.S. President Barack Obama does pushups as the Harlem Globe Trotters watch during the White House Easter Egg Roll on the South Lawn of the White House on April 9, 2012 in Washington, D.C.

President Barack Obama does pushups during basketball shooting drills during the annual Easter Egg Roll on the South Lawn of the White House April 9, 2012 in Washington, D.C.

CBS News White House correspondent Mark Knoller captured another view of President Obama doing pushups during the 2012 White House Easter Egg Roll.

President Barack Obama plays basketball with former NBA player Bruce Bowen during the annual Easter Egg Roll on the South Lawn of the White House April 9, 2012 in Washington, D.C.

President Barack Obama (R) shoots a basketball as members of the Harlem Globetrotters look on during the annual Easter Egg Roll on the White House tennis court April 9, 2012 in Washington, D.C.

U.S. President Barack Obama (R) plays tennis with 9-year-old Isabella Irlando of Los Angeles during the annual Easter Egg Roll on the White House tennis court April 9, 2012 in Washington, D.C.

President Barack Obama (R) mashes his teeth and growls as he reads 'Where the Wild Things Are' during the 2012 White House Easter Egg Roll on the South Lawn of the White House on April 9, 2012.

President Barack Obama (R) gestures as he reads 'Where the Wild Things Are' with First Lady Michelle Obama (L) during the 2012 White House Easter Egg Roll on April 9.

President Obama's daughters Malia (R) and Sasha (L) read a book to children during the 2012 White House Easter Egg Roll on the South Lawn of the White House in Washington, D.C., April 9, 2012.

First lady Michelle Obama helps make tacos with chef Marcus Samuelsson during the annual White House Easter Egg Roll, Monday, April 9, 2012, on the South Lawn of the White House in Washington. Taylor Wiley, 8, of Cincinnati is at center.

First Lady Michelle Obama (2nd R) eats a vegetable tacos with children and celebrity chef Marcus Samuelsson (L) during the 2012 White House Easter Egg Roll on April 9.