Every prime minister promises ambitious plans to build new homes – every prime minister in more than half a century has failed. Andy Burnham says he’ll be different. The former Manchester mayor is on the verge of becoming the new tenant in Number 10 and wants to oversee the biggest council house construction programme since the post-war boom. But you have to go back to 1970 for the last time any government fulfilled its housebuilding target. So why is Mr Burnham so sure he can succeed where his