Debates over postmodernism, analyses of knowledge and power, and the recurring issue of Heidegger's Nazism have all deepened questions about the relation between philosophy and the social roles of intellectuals. Against such postmodernist rejections of philosophical theory as mounted by Rorty and Lyotard, Richard Peterson argues that precisely reflection on rationality, in appropriate social terms, is needed to confront urgent political issues about intellectuals. After presenting a conception of intellectual mediation set within the modern division of labor, he offers an account of...