Rebecca Johnson, Acronym Institute; Christopher Ford, U.S. Department of State; Ambassador Naela Gabr, Ministry of Foreign Affairs, Egypt; Ambassador Rüdiger Lüdeking, Federal Foreign Office, Germany. This session was part of the 2007 Carnegie International Nonproliferation Conference, “Tomorrow's Solutions,” June 25–26, in Washington, D.C., which addressed the critical challenges confronting the nonproliferation regime and offered policy recommendations to stop the spread and use of nuclear weapons and materials.