Eduardo Silva (Editor) Eduardo Silva is professor and Friezo Family Foundation Chair in Political Science at Tulane University. He is the author or editor of several books, including Transnational Activism and National Movements in Latin America: Bridging the Divide and Challenging Neoliberalism in Latin America.Federico Rossi (Editor) Federico M. Rossi is research professor of the Consejo Nacional de Investigaciones Cientificas y Tecnicas at the Universidad Nacional de San Martin, Argentina. He is the author or editor of several books, including Social Movement Dynamics: New Perspectives on Theory and Research from Latin America and The Poor’s Struggle for Political Incorporation.