Mark Rush is the Robert G. Brown Professor of Politics and Law, Head of the Department of Politics, and Director, Williams School Program in International Commerce at Washington and Lee University. He is the author of Does Redistricting Make a Difference?: Partisan Representation and Electoral Behavior (Lexington, 2000) and co-author, with Richard Engstrom, of Fair and Effective Representation?: Debating Electoral Reform and Minority Rights (Rowman and Littlefield, 2001).