Reassessing the laws of war; and why progress isn't always a straight line

The International commitment to ban landmines is wavering. Several European countries are reversing their opposition to using them. The shift comes as disarmament negotiators struggle to regulate the spread of "killer robots" — AI-controlled autonomous weapons. So, is the future of weapons containment and control under threat? And are treaties signed in peace always likely to be vulnerable during times of war?GuestsProfessor Sean Watts — Co-director of the Lieber Institute for Law and Land Warfare, West PointDr Barry de Vries — Research fellow, Public International Law, Justus Liebig University Giessen (Germany) Professor Lee Funnell — University of Chicago Law SchoolProfessor Lee Fennell — University of Chicago Law School