In his most recent book, Revolutionary Constitutions, Sterling Professor of Law and Political Science Bruce Ackerman ‘67 argues that the indiscriminate condemnation of “populism” is a big mistake. Though it has become a term of derision, he argues that many of the greatest constitutional achievements of the modern era owe their success precisely to mass popular mobilizations that succeed in repudiating illegitimate power structures imposed by the old regime. Ackerman outlines the four stages of this revolutionary dynamic: mobilized insurgency, triumphant constitutionalization of principles...