Carl Cohen is Professor of Philosophy at the Residential College of the University of Michigan. Cohen has published many essays in moral and political philosophy in philosophical, medical, and legal journals. He has served as a member of the Medical School faculty of the University of Michigan, and as Chairman of the University of Michigan faculty, where he has been an active member of the philosophy faculty since 1955. His other works include The Animal Rights Debate (2001), with Prof. Tom Regan; he is also the author of Democracy (1972); the author of Four Systems (1982); the editor of Communism, Fascism, and Democracy (1997); the co-author (with J. Sterba) of Affirmative Action and Racial Preference (2003)