President Barack Obama kisses a baby on the tarmac following his arrival at Denver International Airport in Denver, Colo., Nov. 1, 2012. (Official White House Photo by Pete Souza)

President Barack Obama pretends to be caught in Spider-Man’s web as he greets the son of a White House staffer in the Outer Oval Office, Oct. 26, 2012.
(Pete Souza/The White House)

President Barack Obama and first lady Michelle Obama (White House)

President Barack Obama jokingly mimics U.S. Olympic gymnast McKayla Maroney’s “not impressed” look while greeting members of the 2012 U.S. Olympic gymnastics teams in the Oval Office, Nov. 15, 2012. Steve Penny, USA Gymnastics President, and Savannah Vinsant laugh at left. (Official White House Photo by Pete Souza)

President Barack Obama and Annie Glenn, wife of former Senator John Glenn, greet each other following an event at The Ohio State University in Columbus, Ohio, Oct. 9, 2012. (Official White House Photo by Pete Souza)

President Barack Obama talks with will.i.am following an event at The Ohio State University in Columbus, Ohio, Oct. 9, 2012. (Official White House Photo by Pete Souza)

President Barack Obama, along with First Lady Michelle Obama, daughters Sasha and Malia, and Craig Robinson, participate in a service project at the Capital Area Food Bank in Washington, D.C., Nov. 21, 2012. (Official White House Photo by Pete Souza)

President Barack Obama greets the children of U.S. embassy staff during a reception at the Chulalongkorn University Sports Center in Bangkok, Thailand, Nov. 18, 2012. (Official White House Photo by Pete Souza)

President Barack Obama and Thai Prime Minister Yingluck Shinawatra greet young performers during a dinner at the Government House in Bangkok, Thailand, Nov. 18, 2012. (Official White House Photo by Pete Souza)

President Barack Obama shakes hands with civic and constituency leaders during a meeting in the Roosevelt Room of the White House, Nov. 16, 2012. (Official White House Photo by Pete Souza)

President Barack Obama greets residents on Cedar Grove Avenue during a walking tour of Hurricane Sandy storm damage in Staten Island, N.Y., Nov. 15, 2012. (Official White House Photo by Pete Souza)

President Barack Obama talks on the phone with former Massachusetts Gov. Mitt Romney in the Presidential Suite at the Fairmont Chicago Millennium Park in Chicago, Ill., Nov. 6, 2012. (Official White House Photo by Pete Souza)

President Barack Obama greets First Lady Michelle Obama upon her arrival at Des Moines International Airport in Des Moines, Iowa, Nov. 5, 2012. (Official White House Photo by Pete Souza)

President Barack Obama acknowledges the crowd during an event at McArthur High School in Hollywood, Fla., Sunday, Nov. 4, 2012. (Official White House Photo by Pete Souza)

President Barack Obama leads a briefing on the ongoing response to Hurricane Sandy, at FEMA headquarters in Washington, D.C., Nov. 3, 2012. (Official White House Photo by Pete Souza)

President Barack Obama and First Lady Michelle Obama embrace after watching CNN project the outcome of the election, at the Fairmont Chicago Millennium Park in Chicago, Ill., Nov. 6, 2012.
(Pete Souza/The White House)