By Chris Dorrell Prime Minister Keir Starmer has doubled down on the government’s plan to restrict the winter fuel allowance to the most vulnerable pensioners in the face of a looming backbench rebellion. Speaking ahead of Tuesday’s parliamentary vote, Starmer told Laura Kuenssberg that it was an “unpopular” and “difficult” decision, but argued it was necessary to help bring about the change the economy needed. “Every Labour MP was elected on the same mandate as I was, which was to deliver the change that we need for the country,” he said. “I’m absolutely convinced that we will only deliver th…