Starmer’s first 100 days in power reveal much about what led to his downfall. All the more reason for Andy Burnham to learn from them, say ex-Whitehall insiders Helen MacNamara and Cleo Watson. Reported by Maja Anushka

Andy Burnham, about to become the U.K.’s next leader, isn’t Keir Starmer. Is that enough to survive the brutal gauntlet of British politics?

It’s Keir Starmer’s final week in office. 739 days ago, after a rejection of the Tories and a sweeping landslide for Labour, he became PM. So where did it all go wrong for him?…