https://www.reuters.com/article/us-musk-lawsuit/elon-musk-due-back-on-witness-stand-in-defamation-trial-stemming-from-tweets-idUSKBN1Y81B9 >Tesla Chief Executive Elon Musk was due to resume testifying in his own defense on Wednesday at the trial for a defamation lawsuit filed by a British diver whom the Silicon Valley billionaire called "pedo guy" on Twitter.