‘Nurse! Nurse! He’s out again!’ That’s right, Sir Keir had escaped his handlers and was mingling with the public once more. This time he was ruining the coffee break of some workers at McLaren to talk about apprenticeships. Presumably he takes any opportunity he can to avoid the company of his own MPs at the moment, morale being about the same as it was on HMS Bounty a minute or two before the mutiny.

Sir Keir was introduced by Pat McFadden, the cadaverous figure whom Labour trot out when things are going particularly badly. It was like having Nosferatu as your warm-up act. Yet even with this inauspicious intro, Sir........

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