President Barack Obama holds a press conference in the James S. Brady Press Briefing Room of the White House, Dec. 20, 2013.

President Barack Obama holds a press conference in the James S. Brady Press Briefing Room of the White House, Dec. 20, 2013.

First Lady Michelle Obama greets service members after a Toys for Tots service project at the Joint Base Anacostia-Bolling Toys for Tots Distribution Center in Washington, D.C., Dec. 19, 2013.

First Lady Michelle Obama greets service members after a Toys for Tots service project at the Joint Base Anacostia-Bolling Toys for Tots Distribution Center in Washington, D.C., Dec. 19, 2013.

President Barack Obama meets with advisors in the Roosevelt Room of the White House, Dec. 18, 2013. Seated next to the President are Communications Director Jennifer Palmieri, left, and Senior Advisor Valerie Jarrett.

President Barack Obama meets with advisors in the Roosevelt Room of the White House, Dec. 18, 2013. Seated next to the President are Communications Director Jennifer Palmieri, left, and Senior Advisor Valerie Jarrett.

President Barack Obama meets with advisors in the Roosevelt Room of the White House, Dec. 18, 2013. Seated across from the President are National Economic Council Director Gene Sperling, left, and Treasury Secretary Jack Lew.

President Barack Obama meets with advisors in the Roosevelt Room of the White House, Dec. 18, 2013. Seated across from the President are National Economic Council Director Gene Sperling, left, and Treasury Secretary Jack Lew.

President Barack Obama meets with executives from leading tech companies to discuss progress made in addressing performance and capacity issues with HealthCare.Gov and how government can better deliver information technology to maximize innovation, efficiency and customer service, in the Roosevelt Room of the White House, Dec. 17, 2013.

President Barack Obama meets with executives from leading tech companies to discuss progress made in addressing performance and capacity issues with HealthCare.Gov and how government can better deliver information technology to maximize innovation, efficiency and customer service, in the Roosevelt Room of the White House, Dec. 17, 2013.

First Lady Michelle Obama, with family pets Bo and Sunny, greets children during a Christmas holiday program at the Children’s National Medical Center in Washington, D.C., Dec. 16, 2013.

First Lady Michelle Obama, with family pets Bo and Sunny, greets children during a Christmas holiday program at the Children’s National Medical Center in Washington, D.C., Dec. 16, 2013.

President Barack Obama and Vice President Joe Biden meet with U.S. Trade Representative Mike Froman and Commerce Secretary Penny Pritzker in the Oval Office, Dec. 16, 2013.

President Barack Obama and Vice President Joe Biden meet with U.S. Trade Representative Mike Froman and Commerce Secretary Penny Pritzker in the Oval Office, Dec. 16, 2013.

President Barack, First Lady Michelle, and daughters Malia and Sasha join young elves for a photo prior to the “Christmas in Washington” taping at the National Building Museum

President Barack Obama, First Lady Michelle Obama, and daughters Malia and Sasha join young "elves" for a photo prior to the "Christmas in Washington" taping at the National Building Museum in Washington, D.C., Dec. 15, 2013.

President Barack Obama greets the daughter of a departing staff member in the Outer Oval Office, Dec. 13, 2013.

President Barack Obama greets the daughter of a departing staff member in the Outer Oval Office, Dec. 13, 2013.

President Barack Obama holds a football as he meets with senior advisors in the Oval Office, Dec. 11, 2013.

President Barack Obama holds a football as he meets with senior advisors in the Oval Office, Dec. 11, 2013.