U.S. intelligence agencies had long assessed that, faced with the possibility of an attack on its nuclear facilities, Iran would try to move its stockpile. By Julian E. Barnes and David E. Sanger ...

David E. Sanger has covered Iran’s nuclear program, and the efforts to prevent it from obtaining an atomic weapon, for more than two decades.

Joseph S. Nye Sr. (third from left) on a September 2021 fishing trip in Alaska. Nye was joined by Graham T. Allison ’62, David E. Sanger ’82, and Nye’s three sons.