smells like team spirit

President Barack Obama, Vice President Joe Biden, Secretary of State Hillary Clinton, and Chief of Staff Rahm Emanuel, walk from the West Wing to the Eisenhower Executive Office Building, Dec. 1, 2009. (Official White House Photo by Pete Souza)

raised fists

President Barack Obama fist-bumps custodian Lawrence Lipscomb in the Eisenhower Executive Office Building following the opening session of the White House Forum on Jobs and Economic Growth, Dec. 3, 2009. (Official White House Photo by Pete Souza)

whistle stop

President Barack Obama whistles as he and Vice President Joe Biden wait in the holding room of the South Court Auditorium prior to the opening session of the White House Forum on Jobs and Economic Growth in the Eisenhower Executive Office Building, Dec. 3, 2009. The Vice President’s personal aide, Fran Person, is at right. (Official White House Photo by Pete Souza)

at the end of the day

President Barack Obama departs the Outer Oval Office at the end of the day, Dec. 2, 2009. (Official White House Photo by Pete Souza)

"i prefer jeans and t-shirts." "oh god, me too."

President Barack Obama and Vice President Joe Biden talk before the start of the Kennedy Center Honors at the John F. Kennedy Center for the Performing Arts in Washington, D.C., Dec. 6, 2009. (Official White House Photo by Pete Souza)

in focus

As overflow guests look on in the Grand Foyer, President Barack Obama and First Lady Michelle Obama wait to be introduced before the Kennedy Center Honors event that was held in the East Room of the White House, Dec. 6, 2009. (Official White House Photo by Pete Souza)

faces in the crowd

President Barack Obama and First Lady Michelle Obama, along with the Kennedy Center honorees, stand for the national anthem at the Kennedy Center in Washington, D.C., Dec. 6, 2009. (Official White House Photo by Lawrence Jackson)

at a stretch

President Barack Obama reaches out to greet members of the audience following remarks at Lehigh Carbon Community College in Schnecksville, Pa., Dec. 4, 2009. (Official White House Photo by Pete Souza)

good fellas

President Barack Obama greets actor Robert DeNiro and rock musician Bruce Springsteen at a reception for the Kennedy Center Honors recipients in the Blue Room of the White House, Dec. 6, 2009. (Official White House Photo by Pete Souza)

in the driving seat

Bo, the Obama family dog, sits in a District of Columbia police motorcade escort car on the South Lawn of the White House, Dec. 16, 2009. Bo jumped into the open car door after First Lady Michelle Obama returned to the White House following a visit to the Marine Corps Base Quantico Toys for Tots Campaign warehouse in Stafford, Va., December 16, 2009. (Official White House Photo by Chuck Kennedy)