Professor Başak Çalı (Hertie School) joins us to talk about the authority of international law, Ronald Dworkin's interpretivism, and human rights. Publications referred to in the episode: Çalı, Başak. The Authority of International Law: Obedience, Respect, and Rebuttal. New York: Oxford University Press, 2015. Çalı, Başak. ‘On Interpretivism and International Law’, European Journal of International Law 20, No. 3 (2009): 805–822. Dworkin, Ronald. ‘A New Philosophy for International Law’. Philosophy & Public Affairs 41, no. 1 (2013): 2–30 (posthumous). Gorobets, Kostiantyn. ‘Solidarity as a Practical Reason: Grounding the Authority of International Law’. Netherlands International Law Review 69, no. 1 (2022): 3–27. If you wish to help Ukraine to stand up against the Russian aggression, here are some trusted charities that you can donate to: Come Back Alive – the biggest military-oriented charity foundation that helps the Ukrainian army with almost anything; Prytula Foundation – another large charity that works in a close association with the military and the Ministry of Defence; United24 – a governmental fundraiser with different funds for defining and defence, medical aid, and rebuilding of Ukraine.