Quietly and discreetly, the planning for Boris Johnson’s premiership has begun. No one wants to be seen measuring the curtains, but his team are confident he’ll be the choice of Tory party members. It would be the most spectacular upset if he is not. Boris has fixed a Brexit deadline — 31 October — and time is short so his aides are concentrating on what to do when — if — he makes it to No. 10.