Banff hits record visitors and overtourism worries

In today's episode, we examine how the war in Iran threatens to derail the AI boom through rising energy costs and supply chain disruptions. We also explore whether Banff National Park's record 4.5 million visitors signals an overtourism crisis. Plus, Trump's 48-hour ultimatum to Iran, OpenAI's aggressive hiring plans, Cuba's latest power grid collapse, and more in our Big Picture segment.