WASHINGTON, DC - MAY 13: U.S. President Barack Obama speaks during a joint news conference with British Prime Minister David Cameron in the East Room of the White House May 13, 2013 in Washington, DC. The two leaders discussed the prospect of an European Union-United States trade deal and the ongoing civil war in Syria. During his three-day visit to the United States, Cameron will also be briefed by the FBI about the Boston Marathon bombings and will travel to New York to take part in United Nations talks on new development goals. Credit: Getty Images