Matt Chorley speaks to Financial Times journalist Sebastian Payne about his new book Broken Heartlands, which documents the key constituencies Labour leader Keir Starmer needs to win back in the next election, and hears from Andrew Adonis, a former Labour cabinet minister, James Meadway, a former advisor to John McDonnell and Sienna Rogers from Labour list about Starmer's standing with MPs. PLUS Libby Purves and Andy Silvester pick over the day's news.   See acast.com/privacy for privacy and opt-out information.