This photo taken April 30, 2013 shows President Barack Obama answers questions during his new conference in the Brady Press Briefing Room of the White House in Washington, Tuesday, Apri

 

              This photo taken April 30, 2013 shows President Barack Obama answers questions during his new conference in the Brady Press Briefing Room of the White House in Washington, Tuesday, Apri
This photo taken April 30, 2013 shows President Barack Obama answers questions during his new conference in the Brady Press Briefing Room of the White House in Washington, Tuesday, April 30, 2013 in Washington. The president said his administration's counter-terrorism bureaucracy "did what it was supposed to" in the Boston bombing investigation. Nevertheless, a review is underway into whether sensitive information was adequately shared and whether anything was missed. (AP Photo/Pablo Martinez Monsivais)