Using newly released documents, the author presents an integrated look at American nuclear policy and diplomacy in crises from the Berlin blockade to Vietnam. The book answers the question why, when the atomic bomb had been used with such devastating effect against the Japanese Empire in 1945, American leaders put this most apocalyptic of weapons back on the shelf, never to be used again in anger. It documents the myopia of Potomac strategists in involving the U.S. in wars of attrition in Korea and Southeast Asia, marginal areas where American vital interests were in no way endangered. Despite.