One of the stranger moments of yesterday’s drama in the House of Commons, following the release of the Sue Gray ‘update’, was Boris Johnson’s decision to summon the ghost of Jimmy Savile to defend himself against the partygate allegations.

After being lectured by the Labour leader about his alleged lockdown dos, the PM hit back by suggesting that Keir Starmer as a former director of public prosecutions (DPP) had spent the majority of his time ‘prosecuting journalists and failing to prosecute Jimmy Savile, as far as I can make out.