Now chair of the World Refugee Council, Lloyd Axworthy held a number of cabinet roles over the course of a 27 year parliamentary career.As Canada's Minister of Foreign Affairs, he led efforts towards a global landmines ban (which earned him a nomination for the Nobel Peace Prize), and he's one of 56 notable signatories on an open letter calling on Canada and countries around the world to adopt the UN Treaty on the Prohibition of Nuclear Weapons.In this episode Lloyd and Nate discuss the existential threat posed by nuclear weapons, why Canada should adopt sign the treaty, and how Canada's history of advocacy should better inform its current role on the world stage.