CAMP DAVID, MD - MAY 14:  U.S. President Barack Obama speaks to reporters following the Gulf Cooperation Council-U.S. summit on May 14, 2015 at Camp David, Maryland. Obama hosted leaders from Saudi Arabia, Kuwait, Bahrain, Qatar, the United Arab Amirates and Oman to discuss a range of issues including the Iran nuclear deal. (Photo by Kevin Dietsch - Pool/Getty Images)