All these advisers met a bad end – of various kinds – under popular and political pressure on their boss. But their departure just reveals that the real problem is not in fact the adviser, but the monarch. The leader’s character deficiencies were what enabled the adviser to prosper. Those character deficiencies are now fully exposed – and in the end the leader has to go too. The Labour Party now faces, once again, this recurrent dilemma. Will they be satisfied with the head of Morgan McSweeney? Or will they see that the real problem is the Prime Minister? As...