This fifth volume in the George Mason Lecture Series analyzes contemporary separation of powers in the American political system and offers answers to the following questions: what is the relationship, if any, of American separation of powers to the older concept of mixed government?, and what is the connection between the governmental organization of separated powers and the political goal of checks and balances? Contents: The Allocation of Powers: The Framers’ Intent, by Louis Fisher; Some Bicentennial Thoughts about Congress: Then, Now and in the Future, by Michael J. Malbin; The Changing Nature of the Presidency, by Dorothy Buckton James; Supreme Court Enforcement of Separation of Powers: A Balance Sheet, by J. Woodford Howard, Jr.