Tesla was sued again on Thursday, this time by a group of current and former African American workers at its Fremont factory who say they were subject to racist graffiti, slurs and harassment they said the company and managers knew about but did nothing to stop. The plaintiffs, “have been subjected to offensive racist comments and offensive racist behavior and discipline by colleagues, leads, supervisors, managers, and/or Human Resources personnel on a daily basis,” the suit, which was read by the San Francisco chronicle, said. As of the time of