If the BBC found a group of neo-Nazis among some student Tories or among Trump supporters in the US they would surely tell us about it, hot and strong. Also right. In fact, the company’s horror and disgust at such people is one of the few things I absolutely share with them. So why did they repeatedly send an entire message last week starring a group of undisputed, shameless neo-Nazis who actually wore SS insignia on their clothes — and didn’t even realize it? The film starred a sweet old great-grandmother, Valentina Konstaninovska, in the Ukrainian city of Mariupol. Why...