This year marks the 200th anniversary of Marbury v. Madison, the case which is often taught in law schools as establishing judicial review. Despite the absence of any broader political controversy over the role of the Supreme Court, akin to that which existed during the Civil War or the New Deal periods, academics from both ends of the political spectrum have attacked the legitimacy of judicial review. Recent critics have even argued that the Constitution, as originally understood, did not authorize courts to refuse to enforce unconstitutional legislation.In this paper, we discuss the textual, structural, and historical roots of judicial review. First, we show that the constitutional text permits judicial review and we describe the severe d...