Sanctions have become one of the most commonly used diplomatic tools in the world, whether aimed at Russia over Ukraine, Iran’s nuclear program, or individuals linked to extremist violence in the Middle East. But what exactly are sanctions, how effective are they at changing behaviour, and what are the humanitarian costs when they go too far? To take your questions on how sanctions work and what they mean for Canada’s foreign policy, Just Asking was joined by John Packer, an Associate Professor of Law at the University of Ottawa who specializes in international human rights law and conflicts, and Andrea Charron, Professor of International Relations and Director of the Centre for Defence and Security Studies at the University of Manitoba.