There was a time, during the party leadership election to be precise, when Sir Keir Starmer would pointedly swerve questions about whether he was politically closer to Blair or Corbyn. Listening to the Labour leader's speech today, one needn't even make the enquiry. Sir Keir's address to the Progressive Britain group - originally founded to support the New Labour cause - was peppered with mentions of Blair's time in office. The Labour leader said the challenge ahead required "Clause Four on steroids" - a reference to the 1995 ditching of an explicit reference to common ownership in the party's rulebook...