U.S.-Iran Deal, Evolution of treaties, Brexit legacy, Jodi Kantor

Host Piya Chattopadhyay speaks with Aaron David Miller, from the Carnegie Endowment for International Peace, and national security analyst Joseph Cirincione about the initial agreement between the United States and Iran.University of Alberta professor Crystal Gail Fraser and anthropologist Sara Komarnisky discuss the evolution of treaties and how they're playing into a range of issues today.The Guardian's Brussels correspondent, Jennifer Rankin, unpacks the relationship between the EU and UK, 10 years post-Brexit. Then, former British Conservative MP Andrew Percy and political scientist Ian Cooper discuss the lessons Canada can take from the UK's experience as Alberta considers separation.The New York Times investigative journalist Jodi Kantor shares advice for new grads and finding your life's work.