Never again can Labour find itself on the wrong side of a historic choice

Tom Watson speaks at a London rally organised by the People’s Vote campaign for a second EU referendum in March.Photograph: Isabel Infantes/AFP/Getty ImagesVoting in the European elections is over, with the results about to come in. The Tory leadership race, which will be won by a hardline Brexiter, has just begun. Everyone who cares about the Labour party and the country is braced with a sense of despair.I want reports of high turnout in Remain areas to reflect a huge gain in votes for La