The texts in this volume offer critical assessments of a number of leading figures in contemporary intellectual life, who are in different ways thinkers at the intersection of history and politics. They include Roberto Unger, advocate of plasticity; the historians of antiquity and of revolution, Geoffrey de Ste. Croix and Isaac Deutscher; the philosophers of liberalism, Norberto Bobbio and Isaiah Berlin; the sociologists of power, Michael Mann and...