Elon Musk takes witness stand to defend Tesla buyout tweets

Read MoreElon Musk has been summoned to court to defend a 2018 tweet claiming he had lined up the financing to take Tesla private in a deal that never came close to happeningElon Musk has been summoned to court to defend a 2018 tweet claiming he had lined up the financing to take Tesla private in a deal that never came close to happening