Mark A. Graber is professor of government and politics at the University of Maryland, College Park, and adjunct professor at the University of Maryland School of Law. He has published more thatn two dozen scholarly articles in American political development, political theory, and constitutionalism and is the author of Rethinking Abortion: Equal Choice, the Constitution, and Reproductive Politics (1996); Tranforming Free Speech: The Ambiguous Legacy of Civil Libertarianism (1991); and Dred Scott and the Problem of Constitutional Evil (forthcoming.)