President Obama's goal of a world without nuclear weapons is a long way off. The Nuclear Posture Review, announced yesterday, is a new strategy for America's existing arsenal. Why do we maintain it? When might it be used?
Obama Charts Middle Path on Nuclear Arms
David Sanger - National Security Correspondent for the New York Times - @SangerNYT, Jonathan Schell - Fellow, The Nation Institute, Dan Goure - Lexington Institute - @dgoure, William Hartung - Center for International Policy - @williamhartung