WASHINGTON, DC - JULY 15:  U.S President Barack Obama speaks during a press conference in the East Room of the White House in response to the Iran Nuclear Deal on July 15, 2015 in Washington, DC. The landmark deal will limit Iran's nuclear program in exchange for relief from international sanctions. The agreement, which comes after almost two years of diplomacy, has also been praised by Iranian President Hassan Rouhani but condemned by Israeli Prime Minister Benjamin Netanyahu.  (Photo by Alex Wong/Getty Images)