President Barack Obama receives the Presidential Daily Briefing from Robert Cardillo, Deputy Director of National Intelligence for Intelligence Integration, in the Oval Office, Jan. 31, 2012. Part of the briefing was done using a tablet computer. (Official White House Photo by Pete Souza)

President Barack Obama receives the Presidential Daily Briefing from Robert Cardillo, Deputy Director of National Intelligence for Intelligence Integration, in the Oval Office, Jan. 31, 2012. Part of the briefing was done using a tablet computer. (Official White House Photo by Pete Souza)