Nuclear States

Greg Thielmann, senior fellow at the Ploughshares-funded Arms Control Association, outlines his strategy for using the Comprehensive Test Ban Treaty (CTBT) to respond to the Iranian nuclear threat.

With Iran's crackdown on protesters intensifying, the Obama administration and allied governments are rethinking their approach to planned sanctions in hopes of focusing the punishments more tightly on the Iranian leadership, U.S. officials say. 

"We are at a new fork in the difficult path of negotiations on Korea," writes Peter Hayes, Director of Nautilus Institute for Security and Sustainable Development.  "But there are also m

Intelligence agencies around the world are trying to determine whether a puzzling document purported to come from Iran is authentic.  If it isn't a forgery, some experts believe it could be proof  Iran is working on developing a nuclear weapon. The report was first disclosed by