The real problem with Britain’s Political Traitors show is that no one is very faithful to anything for long | Robert Hutton

For Westminster’s special budget edition of the series, politicians have played to their strengths. Bombast, duplicity, distrust: it’s all second natureYou join us on a steam train in Scotland as we head to the next episode of the BBC’s hit show Political Traitors. It’s like the celebrity edition, except that everyone is less comely – politics being the practice of…