Mark RetterMark Retter is a former Gates Cambridge Scholar and Research Associate for the Legal Tools for Peace-making project at the University of Cambridge, which developed the Language of Peace database. He has published papers on jus cogens, Fuller's procedral natural law and MacIntyre's human rights scepticism, and is currently working on a monograph, Human Rights After Virtue (forthcoming, CUP), and on the Handbook on Natural Law and Human Rights (forthcoming, CUP). Read More Read Less