Top officials from the U.S., France, Germany, Britain, China, Russia and Iran take part in talks on Iran's nuclear programme in Almaty (REUTERS/Shamil Zhumatov).
Interview
The Future of the U.S. Nuclear Arsenal
March 20, 2013, Steven Pifer
In an interview on the future of the U.S. nuclear arsenal, Steven Pifer discusses prospects for future international arms negotiations as well as the stability of U.S. and Russian bombs, submarines and planes.