In March 1985, without the usual long delay and speculation, Mikhail Gorbachev, at fifty-four years of age, became the youngest Soviet leader since Stalin. Gorbachev belongs to a new generation of Communist leaders, a generation that did not experience the suffering and fear that Gorbachev's predecessors did who came to power under Stalin. He is a product of the system, not one of its creators. Within a year his vigorous style had made him a well-known...