Not that the question ever crossed my mind, but I think I know what the brilliant TV funnyman Greg Davies was up to during lockdown: he’s been writing a brilliantly funny TV sitcom. No surprise, I suppose, but, anyway, it’s something of a triumph. The Cleaner has an intriguing format, albeit inspired by an existing German version, Der Tatortreiniger (Crime Scene Cleaner). It stars Davies as Paul...