Caught between his irascible hosts and a sceptical British public, Sir Keir Starmer must tread a verbal minefield during his visit to China. Now, under Sir Keir, the weasels have made a triumphant comeback. But for Sir Keir, this all amounts to “challenges”, perhaps the biggest and most evasive weasel of them all. ‘He will pledge to remain clear-eyed’So said Downing Street as Sir Keir left for Beijing. How extraordinary that Sir Keir should have unwittingly played along with China’s propaganda machine.