Risks of nuclear terrorism and blackmailing have increased significantly in recent years mainly because of three factors: the growth and spread of nuclear weapons, the expansion of civilian nuclear programs and the increase in extremist religious and political groups waging campaigns of terror. The growing danger encompasses much of the world. Lax or inadequate security over nuclear materials and weapons in one country could be exploited to trigger atomic blackmail and terrorism elsewhere. Inadequate security at nuclear facilities also could provide extremists waging a campaign of terror...