On March 19, the Ash Center for Democratic Governance and Innovation hosted a book talk with Scott Mainwaring, Jorge Paulo Lemann Professor of Brazil Studies and the Faculty Co-chair of the Harvard Brazil Studies Program, author of Party Systems in Latin America: Institutionalization, Decay, and Collapse. Candelaria Garay, Associate Professor of Public Policy; Frances Hagopian, Jorge Paulo Lemann Senior Lecturer on Government at Harvard University and the Faculty Chair of the Brazil Studies Program at the David Rockefeller Center for Latin American Studies; and Steve Levitsky, Professor of Government at Harvard University; served as respondents. Anthony Saich, Director of the Ash Center for Democratic Governance and Innovation and Daewoo Professor of International Affairs, moderated.