The mist in which Jeremy Corbyn is wreathed is slowly clearing. Labour ran a general election campaign in 2017 on a stroke of inadvertent genius. Both Leavers and Remainers could stay with Labour because nobody could be sure what Mr Corbyn actually thought on the issue. He has not been much clearer since but the official Labour position is creeping towards a decision. On Wednesday John McDonnell, the shadow chancellor, appeared to hint that the obvious destination for Labour policy was to come out for a second referendum. Yet, as ever in this infernal process, it is not quite that simple.
The process of Britain’s departure from the European Union is a labyrinth decked out with a hall of mirrors. Anyone claiming to know where