Liz Truss is the only former party leader of past five years to rank lower in terms of starting popularityKemi Badenoch’s personal approval ratings at the start of her Tory leadership are worse than those recorded by Rishi Sunak and Boris Johnson at the start of their reigns, according to the latest Opinium poll for the Observer.The new Tory leader’s net approval rating – the difference between those who approve or disapprove of the job she is doing – sits at -5%. The only former party leader of the past five years that she beats in terms of her starting