Top advisers to our significant political leaders analyse the successes and failures of today's politics, sharing their experiences of working in Whitehall. Kirsty Buchanan worked with Theresa May as PM, and Liz Truss when she was Secretary of State. Frankie Leach advised Jeremy Corbyn when he was Labour Leader. Journalist and broadcaster Calum Macdonald manages their in-tray of talking points, U-turns and crises. From parties in Westminster to the tactics of SpAds, this is your exclusive insight into how politics is done and how politicians work.