Resignationcast: Nicola Sturgeon

Scotland’s first minister says she will resign.Chris Mason (who was on a train en route to Edinburgh) gives his instant reaction to the decision... And we get more analysis about Sturgeon's resignation speech, her legacy and the future of Scottish and UK politics with the BBC’s Alex Forsyth (in Westminster), Scotland editor James Cook (in Edinburgh) and special correspondent Jim Naughtie (in the studio with Adam in London).Today's episode was presented by Adam Fleming and was made by Tim Walklate and Danny Wittenberg with Cordelia Hemming, Chris Flynn and Miranda Slade. The technical producer was Mike Regaard. The senior news editor was Sam Bonham.