FREE-WORLD historians may one day record that victory over Communism was won not by the conquest of space or the big bomb but by the rapid-fire rifle, armed helicopter, the knife and the strangling wire. The U.S.. at least, is betting so heavily on that possibility that guerrilla warfare training has become the nation's fastest-expanding field of military activity.
This new U.S. zeal for an ancient art stems mostly from the impression made on President Kennedy by Nikita Khrushchev's flat declaration that Communism will seek to expand through nasty little undeclared "wars of...