London | If you thought the election of dour Labour leader Keir Starmer as prime minister would signal the end of Britain’s often carnivalesque post-Brexit politics, this week might just cause you to think again.

Some glorious ghosts of British politics past are back haunting the stage – former PMs Boris Johnson and Liz Truss – and they have lost none of their ability to motivate, titillate, enervate or outrage, depending on your political persuasion.