The owner of a San Francisco restaurant famous for hosting politicians claimed Sen. Bernie Sanders lost his vote in the 2020 presidential election after the Vermont Democratic candidate was “rude and cranky” to his servers, a report said. John Konstin, who owns the 111-year-old John’s Grill, told Politico many Democrats dined at his bistro while the Democratic National Committee was in town for a three-day event over the weekend. Sanders arrived for dinner with about 15 members of his campaign team and was not nice to any of the staff and didn’t want to shake hands or have his picture...