Mr. Thomas M. Countryman, Assistant Secretary for International Security and Nonproliferation, Department of State of the United States of America, along with members of the U.S. delegation delivering the U.S. statement on Regional Issues April 29, 2013 during the Second Session of the Preparatory Committee 2015 Review Conference of the States Parties to the Treaty on the Non-Proliferation of Nuclear Weapons. Link to text of the statement.