WorldIran Government-Led Rally Sends Defiant Message to U.S.; How to Reset the AI Doomsday Clock

Hundreds of thousands of Iranians marched in Tehran at a government-organized rally meant to project unity against the U.S. and Israel. NBC News international editor Babak Dehghanpisheh examines who took part and how Iranians really feel about the war. The segment also explores rising AI “doomerism” and Geoffrey Hinton’s warning that lawmakers have about a year to control the technology.