Cal Jillson is Professor of Political Science at Southern Methodist University and former Director of the John G. Tower Center for Political Studies. He is a former member of the Council on Foreign Relations and a frequent commentator on domestic and international politics for local, national, and international media. He is the author of Pursuing the American Dream: Opportunity and Exclusion Over Four Centuries, Texas Politics: Governing the Lone Star State, and Congressional Dynamics, and editor of The Dynamics of American Politics, New Perspectives on American Politics, and Pathways to Democracy: The Political Economy of Democratic Transitions. He has also served as Associate Dean for Academic Affairs of Dedman College at SMU. David Brian Robertson is Professor of Political Science and Fellow in the Public Policy Research Center at the University of Missouri - St. Louis. His books include The Original Compromise: What the Framers were Really Thinking, The Constitution and America's Destiny and The Development of American Public Policy: The Structure of Policy Restraint (co-author). He is Associate Editor of the Journal of Policy History and he edits CLIO, the newsletter of the Politics and History section of the American Political Science Association. Robertson has received the Governor's, Chancellor's, and Emerson Electric Awards for Teaching Excellence. He is the political analyst for KSDK Television (NBC).