By Sophie Huskisson Almost one million people have signed a petition demanding ex-Post Office boss Paula Vennells be stripped of her CBE. The figure has quickly risen after ITV drama Mr Bates vs The Post Office shone a light on the IT scandal that led to hundreds of workers’ lives being ruined and some wrongfully convicted. Rishi Sunak confirmed the Government is looking at exonerating all postmasters involved in the Horizon scandal as he was confronted by one of the victims today. The PM was challenged on how compensation has been paid at a “snail’s pace” as he appeared on the BBC ’s Laura Ku…