LEON FRIEDMAN is the Joseph Kushner Professor of Civil Liberties Law at the Hofstra University Law School. He is the author or editor of many books on politics and law including The Justices of the United States Supreme Court, 1789-1990. As an ACLU lawyer, he handled a number of law suits against members of the Nixon Administration.WILLIAM F. LEVANTROSSER is a Professor of Political Science and Director of the Colloquim on the American Presidency at Hofstra University. He is the author of Congress and the Citizen-Soldier and Harry S. Truman: The Man from Independence (Greenwood Press, 1986). Levantrosser has also published numerous articles on national security issues, including Tonkin Gulf Revisited, in Lyndon Baines Johnson and the Uses of Power (Bernard Firestone and Robert Vogt, editors, Greenwood, 1988).