ClarkeHarold D.: Harold D. Clarke is the Ashbel Smith Professor in the School of Economic, Political and Policy Sciences at the University of Texas at Dallas. KornbergAllan: Allan Kornberg is the Norb F. Schaefer Professor of Political Science at Duke University. He is the co-author, with Harold Clarke, of Citizens and Community: Political Support in a Representative Democracy (Cambridge University Press, 1992) and has written widely in books and journals on political parties, legislatures, and comparative political behavior.ScottoThomas J: Thomas J. Scotto is Lecturer in the Department of Government at the University of Essex. His research interests are in American and Canadian electoral behavior and public opinion, and he has published articles in journals such as Electoral Studies and the Journal of Politics.