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CAMP DAVID, MD - MAY 14: U.S. President Barack Obama (2L), alongside U.S. Secretary of State John Kerry (C), speaks with Sheikh Sabah Al-Ahmad Al-Jaber Al-Sabah, Amir of the State of Kuwait (L) during a working lunch with members of six Persian Gulf nations during 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 Emirates and Oman to discuss a range of issues including the Iran nuclear deal. (Photo by Kevin Dietsch - Pool/Getty Images)

CAMP DAVID, MD - MAY 14: U.S. President Barack Obama (2L), alongside U.S. Secretary of State John Kerry (C), speaks with Sheikh Sabah Al-Ahmad Al-Jaber Al-Sabah, Amir of the State of Kuwait (L) during a working lunch with members of six Persian Gulf nations during 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 Emirates and Oman to discuss a range of issues including the Iran nuclear deal. (Photo by Kevin Dietsch - Pool/Getty Images)