Marc J. Hetherington is associate professor of political science at Vanderbilt University. He was awarded the Emerging Scholar Award from the Elections, Voting Behavior and Public Opinion section of the American Political Science Association in 2004. He recently published Why Trust Matters: Declining Political Trust and the Demise of American Liberalism (Princeton University Press, 2005). He has published numerous articles in the American Political Science Review, American Journal of Political Science, Journal of Politics, and Public Opinion Quarterly. Bruce A. Larson is an associate professor of political science at Gettysburg College. A specialist in American political parties and elections, he has published articles in the Journal of Politics, Legislative Studies Quarterly, and Political Research Quarterly. Additionally, he is the coauthor of a book on American political parties and the coeditor of a book on statewide ballot initiatives in the United States.