CARDIFF’S own best-selling author and world renowned filmmaker Jon Ronson returns to the Welsh capital at St David’s Hall on Thursday 16 November – and only limited tickets are now remaining! Over the last 20 years, Jon has made his name for his ‘gonzo’ style journalism and investigations of controversial fringe politics and science. In 2011, he released the fascinating book The Psychopath Test: A Journey Through the Madness Industry, which delved into the topic of psychopathic behaviour via the…