Sidney TarrowSidney Tarrow is Maxwell M. Upson Professor Emeritus of Government at Cornell University and a visiting professor at Cornell University Law School. His recent books include a collection of essays, Strangers at the Gates: States and Social Movements i Contentious Politics (Cambridge University Press, 2012) and a revised and expanded edition of Power in Movement (Cambridge University Press, 2011). He is a fellow of the American Academy of Arts and Sciences and past president of the Comparative Politics Section of the American Political Science Association. He is currently completing a book on states, wars and movements. Read More Read Less