Introduction /Scott Mainwaring and Matthew Soberg Shugart -- Presidentialism and democracy in Latin America: rethinking the terms of the debate / Matthew Soberg Shugart and Scott Mainwaring -- Multipartism, robust federalism, and presidentialism in Brazil / Scott Mainwaring -- Unrealized potential of presidential dominance in Colombia / Ronald P. Archer and Matthew Soberg Shugart -- Presidential behavior in a system with strong parties: Venezuela, 1958-1995 / Brian F. Crisp -- Strong candidates for a limited office: presidentialism and political parties in Costa Rica / John M. Carey Political sources of presidencialismo in Mexico / Jeffrey Weldon -- Evaluating Argentina's presidential democracy: 1983-1995 / Mark P. Jones -- In defense of presidentialism: the case of Chile, 1932-1970 / Julio Faundez -- Executive-legislative relations in post-Pinochet Chile: a preliminary assessment / Peter M. Siavelis -- Hybrid presidentialism and democratization: the case of Bolivia / Eduardo A. Gamarra -- Conclusion: presidentialism and the party system / Scott Mainwaring and Matthew Soberg Shugart.