Dr. Henderson is the author of Managing the Presidency: The Eisenhower Legacy-From Kennedy to Reagan (Transforming American Politics), and editor of The Presidency Then and Now. He is currently writing Twelve Leaders Who Made a Difference - a comparative study of U.S. political leaders who had a profound impact on the institutions in which they served. He has published articles and book chapters in Perspectives on Political Science, Presidential Studies Quarterly, The Political Science Reviewer, The Executive Office of the President, and The Presidency and National Security Policy. Teaching interests include: U.S. political leadership since 1789, executive branch policymaking, the U.S. presidency, and American national institutions.