There are few front-line politicians whose faith is so closely linked to their public profile as the former Labour Cabinet minister Jim Murphy, who is bidding to become the first Catholic to lead one of four main political parties north of the border On the day of the Scottish referendum, two supporters of the “No” campaign stood collecting electoral registration numbers outside a polling station in central Fife. Conversation turned to Jim Murphy, the former Labour Cabinet minister who had spent the previous weeks making the case for the union in a hundred or so towns across Scotland. “He is,” confided one to the other, “everything I hate: a Celtic fan, west coast, Catholic.”Nearly three months on, Murphy is back on the campaign trail. Almost immediate