Theodore J. Lowi has been John L. Senior Professor of American Institutions at Cornell University since 1972. He was elected President of the American Political Science Association in 1990 and was cited as the political scientist who made the most significant contribution to the field during the 1970s. He is currently first vice-president of the International Political Science Association and a member of its research committee on world pluralism and minority representation. Among his numerous books are The End of Liberalism and The Pursuit of Justice (co-authored with Robert F. Kennedy). Benjamin Ginsberg is the David Bernstein Professor of Politics at The Johns Hopkins University. His books The Captive Public and Politics by Other Means are widely used in college courses. His most recent book is the highly regarded Downsizing Democracy: How America Sidelined Its Citizens and Privatized Its Public. Kenneth A. Shepsle is the George D. Markham Professor of Government at Harvard University. He is the author or co-author of several books, including Politics in Plural Societies: A Theory of Democratic Instability, The Giant Jigsaw Puzzle: Democratic Committee Assignments in the Modern House, Models of Multiparty Electoral Competition, and Making and Breaking Governments. He has edited The Congressional Budget Process: Some Views from the Inside, Political Equilibrium, Perspectives on Positive Political Economy, and Cabinet Ministers and Parliamentary Government. He has also authored numerous articles on formal political theory, congressional politics, public policy, and political economy. He is the co-author of the successful undergraduate text Analyzing Politics: Rationality, Behavior, and Institutions.