Kerry Addresses Nuclear Nonproliferation Treaty Review Conference At UN

NEW YORK, NY - APRIL 27: members of the Nagasaki Global Citizens' Assembly for the Elimination of Nuclear Weapon march on the street of New York on the sidelines of the 2015 Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons on April 27, 2015 in New York. The international conference, which is particularly important this year as western countries try to reach a nuclear deal with Iran, is held at the United Nations. (Photo by The Asahi Shimbun via Getty Images)