Professor Ira Katznelson delivered the inaugural Holden Lecture, "The Southern Cage: Reflections on the New Deal, the Jim Crow South, and the Origins of Our Times." Katznelson is the Ruggles Professor of Political Science and History at Columbia University. When Affirmative Action Was White and Desolation and Enlightenment: Political Knowledge after Total War, Totalitarianism and the Holocaust are highlights among his extensive work examining racial and ethnic relations, urban politics and political theory. Professor Katznelson has served as president of the American Political Science Association and the Social Science History Association and chair of the Russell Sage Foundation Board of Trustees.