Kenneth M. RobertsKenneth M. Roberts is Professor of Government at Cornell University. He is the author of Deepening Democracy?: The Modern Left and Social Movements in Chile and Peru (1998). Roberts is the co-editor of The Diffusion of Social Movements: Actors, Mechaisms, and Political Effects (Cambridge, 2010) and The Resurgence of the Latin American Left (2011). His articles have appeared in the American Political Science Review, World Politics, Comparative Political Studies, Comparative Politics, Latin American Politics and Society, and Studies in Comparative International Development. Read More Read Less