Sue Thomas is Senior Policy Researcher at Pacific Institute for Research and Evaluation. She has previously served as Director of Women's Studies at Georgetown University and is the author of How Women Legislate (OUP, 1994). Clyde Wilcox is Professor of Government at Georgetown University. His most recent books include the Financiers of Congressional Elections: Investors, Ideologues, and Intimates, and Religion and Politics in Comparative Perspective: The One, the Few, and the Many.