"In 1831, at the age of twenty-five, Alexis de Tocqueville made his fateful journey to America, where he observed the thrilling reality of a functioning democracy. From that moment onward, the French aristocrat would dedicate his life as a writer and politician to ending despotism in his country and bringing it into a new age. In this ... biography, leading Tocqueville expert Olivier Zunz tells the story of a radical thinker who, uniquely charged by the events of his time, both in America and France, used the world as a laboratory for his political ideas"--