“So far the processes that he has put in place have been utterly ruthless, and the left underestimated him,” said John McTernan, a political strategist and onetime aide to former Prime Minister Tony Blair. Breaking with Corbyn, as part of a wider “detoxification” strategy, seems to have helped opinion poll ratings that now put Labour well ahead of the Conservatives. Getty The lesson for his enemies is perhaps not to mistake Starmer’s courteous and mild-mannered bearing — or absence of fanfare — for a lack of willingness to play political hardball. “Keir Starmer is not narrating what he’s doing,” McTernan...