David Calnitsky is an Associate Professor in the Department of Sociology at the University of Western Ontario. His research interests include social policy, social theory, and social change, and his research has been published in Socio-Economic Review, Sociological Theory, Social Problems, Catalyst, Sociology Compass, Canadian Review of Sociology, Contexts, Critical Sociology, The Sociological Review, Du Bois Review, and Social Science History. His new book project examines how social change succeeds and fails. [dcalnits@uwo.ca]