**FILE** John Brennan, deputy national security adviser for homeland security and counterterrorism, briefs reporters at the White House in Washington on Oct. 29, 2010. (Associated Press)
President Obama walks across the South Lawn of the White House with daughter Malia on Sunday, Jan. 6, 2013, after the first family's return to Washington from a vacation in Hawaii. (AP Photo/Jacquelyn Martin)
President Obama and Vice President Biden make a statement regarding the passage of the fiscal cliff bill in the Brady Press Briefing Room at the White House in Washington on Jan. 2, 2013. (Associated Press)
President Obama and Vice President Biden arrive Jan. 1, 2013, to make a statement regarding the passage of the fiscal cliff bill in the Brady Press Briefing Room at the White House in Washington. (Associated Press)
President Obama smiles as he arrives in the Brady Press Briefing Room at the White House in Washington to make a statement regarding the passage of the "fiscal cliff" bill on Tuesday, Jan. 1, 2013. (AP Photo/Charles Dharapak)
** FILE ** A Marine sentry stands guard at the White House on Tuesday, Jan. 1, 2013, an indication that President Obama is working in the West Wing. (Associated Press)