How to Stop Nuclear Terror
Graham Allison
From Foreign Affairs, January/February 2004

Summary: President Bush has called nuclear terror the defining threat the United States now faces. He's right, but he has yet to follow up his words with actions. This is especially frustrating since nuclear terror is preventable. Washington needs a strategy based on the "Three No's": no loose nukes, no nascent nukes, and no new nuclear states.

Graham Allison is Douglas Dillon Professor of Government and Director of the Belfer Center for Science and International Affairs at Harvard University's Kennedy School of Government. From 1993 to 1994 he was Assistant Secretary of Defense for Policy and Plans.

The rest is very long but also very worth reading. Especially the part about why we should resume USA bilateral talks with North Korea:Foreign Affairs