ISOLATIONISM, it would seem, is once again on the rise.
President Nixon has used the term neo-isolationist to describe certain of his senatorial critics who would alter U.S. foreign policy or who seek a greater role for the Congress in shaping it. Once the name of a popular and viable political doctrine, isolationism todaywith or without "neo" attached to itis a pejorative word. It has no real validity in a world of instant communications, internationally linked economies, and nuclear weapons that can bridge continents at Mach 23 speed. Properly speaking, the term suggests someone who would like to disengage the U.S. from...