Eve of DestructionIn an age of new threats to international security, the old rules of war are rapidly being discarded. The great powers are moving toward norms less restrictive of intervention, preemption, and preventive war. This evolution is taking place not only in the United States but also in many of the world's most powerful nations, including Russia, France, and Japan, among others. As centuries of tradition and law are overturned, will preventive warfare push