U.S. President &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Barack+Obama&amp;family=editorial&amp;specificpeople=203260 ng-click='$event.stopPropagation()'&gt;Barack Obama&lt;/a&gt; listens during a news conference with David Cameron, U.K. prime minister, not pictured, in the East Room of the White House in Washington, D.C., U.S., on Monday, May 13, 2013. President &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Barack+Obama&amp;family=editorial&amp;specificpeople=203260 ng-click='$event.stopPropagation()'&gt;Barack Obama&lt;/a&gt; said his administration made no attempt to cover up or downplay the involvement of terrorists in last year's deadly attack on a U.S. outpost in Benghazi, Libya, and said the congressional investigation has turned into a 'political circus.' Photographer: Andrew Harrer/Bloomberg via Getty Images