Adil Haque (Rutgers University), author of Law and Morality at War (OUP, 2017) joins us to talk about law and morality. We discuss issues such as positivism, moral impact theory, and jus cogens. Publications referred to in the episode: Emmanuel Voyiakis, 'Customary International Law and the Place of Normative Considerations', American Journal of Jurisprudence 55, no. 1 (2010): 163–200. Mark Greenberg, 'The Moral Impact Theory of Law', Yale Law Journal 123 (2014): 1288–1342. Asif Hameed, 'Unravelling the Mystery of Jus Cogens in International Law', British Yearbook of International Law 84, no. 1 (2014): 52–102. John Tasioulas, 'Custom, Jus Cogens, and Human Rights', in Custom's Future: International Law in a Changing World, edited by Curtis A. Bradley  (Cambridge: Cambridge University Press, 2016), 95–116. Adil Ahmad Haque, 'Torture, Terror, and the Inversion of Moral Principle', New Criminal Law Review 10, no. 4 (2007): 613–657. Serena Parekh, No Refuge: Ethics and the Global Refugee Crisis, New York: Oxford University Press, 2020. Joseph Raz, The Morality of Freedom, Oxford: Clarendon Press, 1986.