Jolyon Maugham doesn’t mind a tough fight. He was rejected from one of his first jobs after university for being a man, instead of a woman named Joleen that the employers thought the temp agency was sending. He filed a sex discrimination case and won. And now Maugham seems to be taking on the majority of Britons who voted to leave the European Union (EU). Along with some politicians, he has filed a case that could allow the UK parliament to reverse Brexit if they so wish. He now regularly gets online hate messages from what he calls “a small group of angry and loud individuals”—but that’s not going to stop him from the pursuit. …