By Greg Thielmann

Director of National Intelligence James Clapper testifies at a Senate Intelligence Committee hearing on March 12, 2013.

George Shultz walking with President Reagan outside the White House in December 1986.
 

IAEA Director General Mohamed ElBaradei (L) and UNMOVIC Executive Chairman Hans Blix (R) brief the UN Security Council on Iraq inspections March 7, 2003

By Greg Thielmann

By Kelsey Davenport

Ambassador Thomas Pickering speaks at an Arms Control Association event on Feb. 25 on what can be accomplished in 2013 in negotiations with Iran. Photo Credit: Jackie Barrientes/ACA

By Oliver Meier

A German Luftwaffe Tornado fighter-bomber capable of carrying nuclear gravity bombs.

By Tom Z. Collina and Kelsey Davenport

According to the International Atomic Energy Agency's (IAEA) February 2013 quarterly report on Iran's nuclear program, Tehran is continuing to develop its nuclear program and slowly enhancing its nuclear weapons breakout potential. While this progress is troubling, Iran still remains years away from having a workable nuclear arsenal.

Robert Gallucci, former U.S. negotiator with North Korea at the 2013 Asan Nuclear Forum.

By Kelsey Davenport

By Daryl G. Kimball

By Daryl G. Kimball and Greg Thielmann

The DPRK's Punggye-ri nuclear test site April 18, 2012.

By Tom Z. Collina and Daryl G. Kimball