Camilla Tominey entered into a heated exchange with Exchequer Secretary James Murray on GB News today, as she told him not to “insult the audience”. The Office for Budget Responsibility’s assessment showed 60 per cent of the tax hike would be paid for by “working people” despite their promise in the manifesto before they were elected. Speaking on GB News, Camilla asked: “So the office for Budget Responsibility says that 60 per cent of the National Insurance hike will be passed on to working people. “So you have taxed working people. You did lie in your manifesto.” Labour MP James Murray respon…