Hunting Down Social Darwinism is the third and final installment in the trilogy, The Nature of Liberty. The trilogy gives a secular, ethical defense of laissez-faire capitalism, inspired by Ayn Rand's ideas. The trilogy's first book, The Freedom of Peaceful Action, provided the philosophic theory behind the ethics of a free-enterprise system based on the individual rights to life, liberty, and private property which John Locke described. The second installment, Life in the Market Ecosystem, explained how free enterprise functions much as a natural ecosystem wherein behavioral norms develop,...