We live in a time of moral confusion: many believe there are no overarching moral norms, and we have lost an accepted body of moral knowledge. Alasdair MacIntyre addresses this problem in his much-heralded restatement of Aristotelian and Thomistic virtue ethics; Stanley Hauerwas does so through his highly influential work in Christian ethics. Both recast virtue ethics in light of their interpretations of the later Wittgenstein's views of language. This book systematically assesses the underlying presuppositions of MacIntyre and Hauerwas, finding that their attempts to secure moral knowledge...