When, in the 1950s, Nikita Khrushchev said, "We will bury you," and, "Your children will live under communism," Eisenhower's America scoffed. By 1980, however, the tide did indeed seem to be with the East. America had suffered a decade of defeats. Southeast Asia had fallen. The ayatollah had seized power in Iran. Moscow had occupied Afghanistan. Cuban troops were in Ethiopia and Angola. Grenada and Nicaragua had fallen to the Soviet bloc. Eurocommunism was all the rage on the continent. Just a decade later, the world turned upside-down. The Berlin Wall fell. Eastern Europe was suddenly free. The Soviet Union...