One of the more depressing political lessons from the Brexit campaign was that it doesn’t necessarily matter if nobody believes the NHS will get an extra £350m a week, just as long as they are talking about it. And it seems to be one taken to heart by the Conservatives.
The reaction of many in Westminster to the Tories’ swiftly notorious attack advert against the London mayor, Sadiq Khan, was initially almost baffled amusement: was this thing actually meant to be taken seriously?
