I write during a break from Twitter as I try to get a good start to the year’s reading. British politics appears to have settled into the mode that best suits its professional participants in our political parties and in the media that covers it. With each passing day the evidence mounts that Boris Johnson has been less than entirely truthful about his involvement in rulebreaking at No 10. Today it has been announced by Cressida Dick that New Scotland Yard will be cooperating with the Cabinet Office to investigate the ins, outs and what-have-yous of it all. The latest...