Distinguished Professor of Political Science, Vanderbilt University, 2007- Editor, The Journal of Politics, January 1st, 2005 to January 1st, 2009 Visiting Scholar, Center for the Study of Democratic Politics, Woodrow Wilson School, Princeton University, 2002-03 Professor of Leadership, Policy, and Organization, Peabody College Vanderbilt University, 2002- Professor of Political Science, Vanderbilt University, 1996-2007 Associate Professor of Political Science, Vanderbilt University, 1995-96 Associate Professor of Political Science, Arizona State University, 1991-95 Assistant Professor of Political Science, Arizona State University, 1986-91 Lecturer in Department of Politics, Princeton University, 1984-86