The victory of Labour’s Lisa Forbes in the Peterborough by-election shows “antisemitism is becoming normal in the party”, one of her new Commons colleagues said. The new Peterborough MP faced controversy in the week before the poll, over a Facebook post she “liked” which said Theresa May has a “Zionist slave masters agenda”. She subsequently apologized for “not calling out these posts” and promised to challenge antisemitism in future. But Labour MP Jess Phillips said that while she was glad the Brexit Party had been defeated in Peterborough, “I cannot be (as) gleeful or proud as I’d want to be,...