Barbara Norrander (Ph.D., The Ohio State University) is associate professor of political science at the University of Arizona. She is the author of Super Tuesday: Regional Politics and Presidential Primaries, as well as contributing author to several edited volumes. Currently an editorial board member of the American Journal of Political Science, Norrander has also written numerous journal articles on public opinion, political behavior, and other subjects. Clyde Wilcox is a professor of government at Georgetown University. He is the author or coauthor of several books, including Serious Money: Fundraising and Contributing in Presidential Nomination Campaigns (1995), Onward Christian Soldiers: The Christian Right in American Politics (1996), and Interest Groups in American Campaigns: The New Face of Electioneering (1999). His edited books include Women in Elected Office: Past, Present, and Future (1998), The Politics of Gay Rights (2000), and Understanding Public Opinion, 2nd ed. (2002).