That LibDem-supporting columnist John Harris (no relation) is today calling for a lurch to the Left to meet the challenge of Cameron’s new Conservatives. He attacks John Hutton for his “fierce hostility to any calls for new employment regulation” and then states: “Given that Harriet Harman won last year’s deputy leadership election by affecting a tack leftwards, and 92% of Labour donations are now coming from the unions, this kind of heresy will no longer fly.”