WASHINGTON, DC - DECEMBER 7: (AFP OUT)U.S. President Barack Obama participates in a conversation with Saban Forum Chairman Haim Saban at the 10th annual Saban Forum, "Power Shifts: U.S.-Israel Relations in a Dynamic Middle East" at the Willard Hotel on December 7, 2013 in Washington, DC. Obama defended the nuclear agreement with Iran and took questions from the audience. (Photo by Pete Marovich/Getty Images)