Boris Johnson has had some low moments as Britain’s prime minister, but last week, surely, will take some beating.
As “partygate” revelations threatened to overwhelm his administration, he tried first to convince parliament that he had wandered unwittingly into a “bring your own booze” party in the Downing Street garden. By Friday he was apologising to the Queen after it emerged No 10 staff had held a drunken leaving do on the eve of Prince Philip’s funeral.