When we could all have done with some soothing liniment, up stepped Ed Miliband to create a fresh squall of argy-bargy. Energy Secretary Ed was preceded by a trade-union pudding called Tracey. Tracey was still lingering at the lectern as Ed shimmered up and practically barged her aside. From a mere reading of Ed’s words you could, if charitable, conclude he was being supportive of our stricken PM. But maybe, in these final moments, he could yet seize the helm.