Editorial: Keir Starmer won power but never explained Britain’s crisis. The new MP for Makerfield offers a sharper diagnosis – and one that voters can understand

After a day of drama following Andy Burnham's big win in the Makerfield by-election, all is quiet on the surface, as the political manoeuvering moves behind the scenes.

The embattled British prime minister is widely expected to announce a plan for his exit just as his likely successor, Andy Burnham, arrives in Westminster.