Alasdair RobertsAlasdair Roberts is professor of public policy, University of Massachusetts Amherst, and the author of numerous books, most recently Superstates: Empires of the Twenty-First Century. Books by the Author Previous slide in carousel The Adaptable Country Strategies for Governing Strategies for Governing The End of Protest America's First Great Depression America's First Great Depression The Collapse of Fortress Bush The Collapse of Fortress Bush Next slide in carousel