Matthew J. Dickinson is professor of political science at Middlebury College. An expert on the Presidency, he is the author of Bitter Harvest: FDR, Presidential Power, and the Growth of the Presidential Branch (Cambridge University Press, 1996). Elizabeth A. Neustadt is head of Consultancy and Professional Development at the Tavistock Institute in London. She is the daughter of Richard E. Neustadt. Doris Kearns Goodwin is a Pulitzer Prize winning author and presidential historian. Her most recent book is Team of Rivals: The Political Genius of Abraham Lincoln (Simon & Schuster, 2005).