Malcolm Turnbull should obviously resign and go do something else with his life. It's over. And it's a measure of the times that between writing this and sending it to the Crikey bunker, Turnbull may well do so.
Your correspondent had always assumed that Turnbull was dead meat -- he was fatally wounded by the Grech affair. Without that disaster calling into question his judgement, nous and skills, he might have been able to survive the ETS brouhaha.