Photo by Simon Dawson / No 10 Downing Street Before the country went to the polls on 7 May, one of Keir Starmer’s cabinet ministers offered a word of warning. Even though bad results for Labour were “baked in”, it was impossible to know what might happen afterwards. “There’s a visceral emotional reaction when you hug your colleagues who have lost,” the minister told Starmer. And that might cause Labour MPs to behave unpredictably. Wes Streeting was that cabinet minister. Forty-eight hours after the results came through, and with only a smattering of calls on Starmer to resign, Catherine West, the little-known MP for Hornsey and Friern Barnet, decided she had had enough. She was reeling from seeing friends losing their jobs on the council she had once led. Frustrated by the lack of leadership from the cabinet, she took to Radio 4 to tell them to get together and agree a successor.…