A lecture given at MIT by Joseph Cirincione of the Center for American Progress February 22, 2007 about which countries get nuclear weapons and which don't--with a focus on Iran.

Cirincione is Senior Vice President for National Security and
International Policy. Prior to joining the Center in May 2006, he
served as director for nonproliferation at the Carnegie Endowment for
International Peace for eight years. He is the author of Bomb Scare: The History and Future of Nuclear Weapons (Columbia University Press, Spring 2007), Deadly Arsenals: Nuclear, Biological and Chemical Threats (Second Edition, 2005), and co-author of Universal Compliance: A Strategy for Nuclear Security (March 2005). He teaches at the graduate School of Foreign Service at Georgetown University.

Mr. Cirincione worked for nine years in the U.S. House of Representatives
on the professional staff of the Committee on Armed Services and the
Committee on Government Operations, and served as staff director of the
Military Reform Caucus. He is the author of numerous articles on
nuclear weapons issues, the producer of two DVDs on proliferation, and
is a frequent commentator on these issues in the media. He has held
positions at the Henry L. Stimson Center, the U.S. Information Agency,
and the Center for Strategic and International Studies.

He is a member of the Council on Foreign Relations and the International
Institute for Strategic Studies. He is an honors graduate of Boston
College and holds a Masters of Science with highest honors from the
Georgetown School of Foreign Service.