Juan E. Corradi is Professor of Sociology at New York University and the author of "The Fitful Republic: Economy, Society, and Politics in Argentina" (1985). Patricia Weiss Fagen works for the United Nations High Commission for Refugees in El Salvador and is the author of "Exiles and Citizens: Spanish Republicans in Mexico" (1973). Manuel Antonio Garreton is a member of the Latin American Faculty of Social Sciences in Santiago, Chile.