Iron Maiden frontman: Human unpredictability can trump AI

One of the world’s biggest heavy metal bands, Iron Maiden, has released a documentary that traces the band’s five-decade history of ups and downs. It is called Iron Maiden: Burning Ambition. The band’s frontman Bruce Dickinson came into the Newshour studio to discuss their journey into stardom and the future of heavy metal in a digital age. He's been speaking to Newshour’s Usman Azad.