Great issues of statecraft normally require great deliberation. Since the U.S. and the Soviet Union opened talks on controlling the growth of their strategic nuclear arsenals in 1969, only two limited treaties have been signed, the last one in 1979. East-West negotiations on reducing conventional armies in Europe began in Vienna and have yet to reach any agreements. Members of the European Community have been working toward economic integration, scheduled for 1992, since the Treaty of Rome was signed in 1957.
But that was the postwar world; this is the post-cold war world, and things are dizzyingly different. Europe has been...