Modern-day historians look back at the Soviet criminal system with a mixture of sorrow and disbelief. For example, Lavrentiy Beria, head of Stalin's secret police, often boasted, "Show me the man, and I'll show you the crime." Beria was bragging that he possessed a fearsome array of tools that could banish any political opponent to the gulag. An accusation became the legal equivalent of a conviction. Decades later, a similar philosophy began to take hold on college campuses across the United States. For example, a lawsuit against Oberlin College in Ohio revealed that every male accused of a sexual peccadillo...