Morning Wire covers the US walkout at the UN during Iran's address and Xi Jinping's visit to Washington, where experts discuss tariff truces and AI safety. The show also examines escalating tensions between the US and UK over the Chagos Islands military base and rising illegal immigration in Britain. Finally, an investigative report reveals a "shadow welfare system" in California, detailing how state-funded benefits like healthcare and cash assistance are accessible to non-citizens despite federal restrictions.