By Paul Speed Former prime minister Boris Johnson doesn’t have a cat in hell’s chance of helping the Tories cling onto their Red Wall seats, say more than 1,800 Mirror readers. Thousands voted in our poll Can Boris Johnson help save the Tories’ Red Wall seats? A reasonable 497 of you said yes he can, while a sizeable 1,874 said no, he could not. We ran the survey after BoJo was heavily touted to campaign for the panicking Tories in traditional Labour-held seats in the north, in a bid to ‘take the fight to Keir Starmer’. The rumoured move was seen by many as a desperate attempt by Rishi Sunak t…