Has war become legalized under international law? This week, Associate Director of the Oxford Institute for Ethics, Law and Armed Conflict Janina Dill joins host and CIGI Chair of Global Security David Welch for a conversation on the law, morality and legitimacy of war. After offering a brief history of war theory, the discussion touches on the "belligerent's trilemma," drone warfare, and sub-state conflict. Tune in to hear the full conversation and to learn more about the overlap between war and law in the 21st century.