Elves and orcs return to our screens in Amazon’s ‘The Lord of the Rings: The Rings of Power’, purportedly the most expensive TV show ever made. We speak to the series’ showrunners, JD Payne and Patrick McKay, and our own ‘Lord of the Rings’ authority, John Mitchinson, to find out more about the show and where it places us in Tolkein’s infinitely complex world.