If Andy Burnham focuses on AI, devolution and regional development, he has a chance to turn British stagnation around - and his record in Manchester is cause for cautious optimism

Andy Burnham is set to unveil plans to transfer power from Whitehall to a “Number 10 in the North" in a speech in Manchester.

With only weeks to go until he is expected to become Prime Minister, Andy Burnham will use a key speech to pledge to raise living standards through reindustrialisation, housing,…