G. Calvin Mackenzie is The Goldfarb Family Distinguished Professor of American Government at Colby College. He has written extensively about ethics in government and has led ethics seminars for public officials across the country. He served as chair of the Maine Commission on Governmental Ethics and Election Practices and was elected a Fellow of the National Academy of Public Administration. A political scientist by training, Mackenzie has been a government professor and scholar for more than 30 years. He has written or edited 15 books, including a leading introductory American government text and several award-winning empirical studies of the national government. His latest book, The Liberal Hour: Washington and the Politics of Change in the 1960s (with Robert Weisbrot) was a finalist for the 2009 Pulitzer Prize in History.