Mark J. Rozell is professor of public policy and director of the Master of Public Policy program at George Mason University. He is the author of nine books, including, most recently, Power and Prudence: The Presidency of George H.W. Bush (with Ryan Barilleaux) and Executive Privilege: Presidential Power, Secrecy, and Accountability, 2nd Edition, Revised. 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). David Madland is a doctoral student in political science at Georgetown University. He has wide-ranging, firsthand experience with a number of interest groups. He has worked as an aide to a member of Congress, been employed by several interest groups, and runs his own political consulting firm.