President Dwight D. Eisenhower and his secretary of state, John Foster Dulles, deployed a tactic Chris Tudda calls "rhetorical diplomacy"-- sounding a belligerent note of anti-Communism in speeches, addresses, press conferences, and private meetings with allies and with Moscow. Yet all the while, Tudda discloses, the two were confidentially committed to a contradictory course--the establishment of a strong system of collective security in Western...