Enduring wars, GPS evolution, Online harms, Agent Orange's Canadian legacy

Host Piya Chattopadhyay speaks with The Economist's Middle East correspondent Gregg Carlstrom about the latest in the United States and Israel-Iran war. Then, journalist and historian Linda Kinstler explores why this war and other enduring conflicts have become so difficult to end.Journalist Katherine Dunn traces the evolution of GPS, why it's under threat today, and what lessons its adoption might hold as we face a future infused with AI.Psychiatrist Dr. Shimi Kang and McGill University child development and technology expert Sara Grimes assess Ottawa's long-awaited online harms bill, and whether big tech will just scroll on by Canada’s threats.Andrea Hoang looks back on the history of the United States military's testing of Agent Orange and other chemicals at Canadian Forces Base Gagetown, and how this legacy still touches lives today.