Whatever comradeship and fraternal fealty remain within Labour, the debate that has suddenly ignited in the party about Britain rejoining the European Union is hardly helping it.
Two men who actually agree on that eventual goal, Wes Streeting and Andy Burnham, have fallen into a tedious briefing war about whether raising this distant prospect right now is a cynical plot by Mr Streeting to undermine Mr Burnham’s chances of winning the Makerfield by-election, and thus the Labour leadership.