This unusual and difficult balance is on full display in Kelman's ambitious attempt to address the most vexing problem of the social reform agenda: How should the costs of social programs be borne? Based on his well-received Cooley Lectures at the University of Michigan, Kelman's book seeks the guiding constitutional and policy considerations that should constrain government action. The topics covered include such front-burner issues as the revitalization of takings doctrine and the debates over the role of tax subsidies for desired private conduct. Kelman simply dazzles in his ability to draw upon sources in constitutional law, tax policy, and.