During the early decades of the nuclear age, a debate developed on the general utility of force. In the new and dramatically altered conditions of that period, in which a third world war could have meant the obliteration of great cities and civilization, it was hard to see what political purposes could possibly be achieved by launching an aggressive war. But by the same token there were also horrendous risks in a defensive war if that required resort to the most destructive weapons available. The dominant response, at least when it came to war among the great powers, was to […]