** FILE ** President Barack Obama speaks in the James Brady Press Briefing Room at the White House in Washington, Monday, April 15, 2013, following the explosions at the Boston Marathon. (AP Photo/Manuel Balce Ceneta)
President Barack Obama waves at the end of a ceremony honoring the BCS National Champion University of Alabama Crimson Tide at the White House in Washington, Monday, April 15, 2013. The White House says Mr. Obama has been notified about the explosions at the finish line of the Boston Marathon. (AP Photo/Manuel Balce Ceneta)
President Barack Obama waves at the end of a ceremony honoring the BCS National Champion University of Alabama Crimson Tide at the White House in Washington, Monday, April 15, 2013. The White House says Mr. Obama has been notified about the explosions at the finish line of the Boston Marathon. (AP Photo/Manuel Balce Ceneta)
** FILE ** Senate Minority Leader Mitch McConnell, Kentucky Republican, points to a 7-foot stack of “Obamacare” regulations to underscore his disdain for President Obama's health care overhaul during an appearance at the 40th annual Conservative Political Action Conference in National Harbor, Md., on Friday, March 15, 2013. (AP Photo/Manuel Balce Ceneta)
** FILE ** Senate Minority Leader Mitch McConnell, Kentucky Republican, points to a 7-foot stack of “Obamacare” regulations to underscore his disdain for President Obama's health care overhaul during an appearance at the 40th annual Conservative Political Action Conference in National Harbor, Md., on Friday, March 15, 2013. (AP Photo/Manuel Balce Ceneta)
Ernest Moniz, President Obama's nominee to be secretary of energy, testifies on Capitol Hill in Washington on Tuesday, April 9, 2013, at a Senate Energy and Natural Resources Committee hearing on his nomination. (AP Photo/Manuel Balce Ceneta)
Ernest Moniz, President Obama's nominee to be secretary of energy, testifies on Capitol Hill in Washington on Tuesday, April 9, 2013, at a Senate Energy and Natural Resources Committee hearing on his nomination. (AP Photo/Manuel Balce Ceneta)
** FILE ** Fannie Mae's headquarters are seen in Washington on Monday, Aug. 8, 2011. (AP Photo/Manuel Balce Ceneta)
President Barack Obama, center is presented with the LA Galaxy team jersey by captain Landon Donovan, left, and head coach Bruce Arena, right, during a ceremony in the East Room of the White House in Washington, Tuesday, March 26, 2013, honoring the Stanley Cup hockey champion Los Angeles Kings and the Major League Soccer champion LA Galaxy. (AP Photo/Manuel Balce Ceneta)
