He is the author of Nixon's Civil Rights: Politics, Principle, and Policy (Harvard University Press, 2001)as well as numerous articles on politics, the presidency, and public policy. In 2005-2006 he was Paul V. McNutt Visiting Professor of History at Indiana University Bloomington, where he received his Ph.D., and in 2008 he was a Fulbright professor at De La Salle University in Manila. His forthcoming book Paul V McNutt and the Age of F.D.R., will be published by Indiana University Press.