Climate change can reasonably be expected to increase the frequency and intensity of a variety of potentially disruptive environmental events--slowly at first, but then more quickly. It is prudent to
All people wish to avoid nuclear war, but this fact provides little guidance for policy. One reason is a lack of understanding of how a nuclear war might come about or how one could be prevented; muc
In the last year the world has witnessed changes in East-West relations that would have been unthinkable only a short time ago. The Berlin Wall has crumbled, Eastern Europe has thrown out its authori
