Alexis de Tocqueville, a young aristocrat of twenty-five, worried deeply about the future of France as well as his own fate in his native country, which had just experienced its second revolution in less than fifty years. Along with Gustave de Beaumont, a fellow magistrate, Tocqueville conceived the idea that by traveling to America he could penetrate the secret of the modern world, in which democracy and equality were destined to rule. Alexis...