What is it about faded former firebrand lefties that makes them so attractive to the airwaves these days? At first was Gorgeous George Galloway who wound up on Talk Sport. North of the border the Scottish Socialist Party’s Tommy Sheridan had a phone-in show that he was arrested after doing last year – earning a police escort direct from the studio. Now Ken Livingstone is to be a shock jock for London commercial broadcaster LBC. There will be a 7 second delay on his “live” programme which starts in June, presumably in case a “concentration camp” type tirade is unleashed. What can I say? I guess the unholy trinity all share the characteristic of each having “a face for radio”.