In Walter Scheidel's new book The Great Leveler: Violence and the History of Inequality from the Stone Age to the Twenty-First Century, the Stanford classics prof traces the rise and fall of inequality from humanity's history, showing how over time, the rich get richer and richer, creating an ever-more-unstable situation, until, basically, the world melts down or the people start building guillotines on their doorsteps. Read the rest