Keith E. Whittington is the David Boies Professor of Law at Yale Law School. He is the faculty director of the Center for Academic Freedom and Free Speech at Yale. Prior to joining Yale, Professor Whittington was the William Nelson Cromwell Professor of Politics at Princeton University. He writes about American constitutional law, politics and history and American political thought. He has been a visiting professor at the University of Texas School of Law, is a member of the American Academy of the Arts and Sciences, and served on the Presidential Commission on the Supreme Court of the United States. He did his undergraduate work at the University of Texas at Austin and completed his Ph.D. in political science at Yale University. His books include Constitutional Interpretation: Textual Meaning, Original Intent, and Judicial Review. His most recent books include You Can't Teach That! The Battle over University Classrooms and Repugnant Laws: Judicial Review of Acts of Congress from the Founding to the Present.