If the BBC found a group of neo-Nazis among some student Tories, or among Trump supporters in the USA, they would surely tell us about it, hot and strong. Quite right too. In fact, the Corporation’s horror and disgust at such people is one of the few things I absolutely share with them. So why did they last week repeatedly broadcast an entire news item, featuring a group of undoubted, shameless neo-Nazis, actually wearing SS insignia on their clothes – and not even notice? The film starred a sweet old great-grandma, Valentina Konstaninovska, in the Ukrainian city of Mariupol. Why...