Opening the EU debate again is clearly a political minefield. But we have to do it | Simon Jenkins

Andy Burnham must tread cautiously, but Brexit was a very grave act of self-harm – and he is right to address itAndy Burnham’s opening debate on whether Britain should rejoin the EU is divisive, painful and politically risky. That is why it should be welcomed. To jeopardise his popularity so soon after coming to office might seem reckless, but the…