By Rob Lenihan Musk says Tesla will reduce its salaried workforce by 10% in the next three months, while growing the number of hourly employees. Elon Musk has been having some tough times in court lately. First, two former employees filed a lawsuit against the Tesla (TSLA) – Get Tesla Inc. Report CEO and world’s richest man and then the U.S. Supreme Court rejected a challenge brought by a former Xerox (XRX) – Get Xerox Holdings Corporation Report executive that Musk had supported. ‘Devastating Economic Impact’The ex-employees said they were terminated in a mass layoff at the electric vehicle m…