To stay popular with the public – and his backbenchers – he’ll need to make big changes fast. That means changing the way the government borrows, says Guardian columnist Aditya Chakrabortty

Bond markets are expected to react kindly to an Andy Burnham coronation but uncertainty could be on the horizon as his policies get tested.

Andy Burnham is plotting a major policy speech next week to bolster his economic credentials as part of his Labour leadership run.