U.S. Debates Deterrence for Nuclear Terrorism

The New York Times : Every week, a group of experts from agencies around the government âmdash; including the C.I.A., the Pentagon, the F.B.I. and the Energy Department âmdash; meet to assess Washington’s progress toward solving a grim problem: if a terrorist set off a nuclear bomb in an American city, could the United States determine who detonated it and who provided the nuclear material?