Carole Vincent briefly became the unexpected poster girl of Labour’s remaining Corbynites when she heckled Keir Starmer during his leader’s speech. For her pains, Vincent’s voice was drowned out when many (but not all) in the conference hall stood to applaud Starmer and show their support for him: she even gave the Labour leader the chance to declare that while she and others were shouting slogans, he wanted to change Britain.