Elon Musk to return to witness stand for cross-examination by OpenAI's lawyer
By Deepa Seetharaman and Kenrick Cai OAKLAND, California, April 30 (Reuters) - Elon Musk is due to return to the witness stand on Thursday for a second day of cross-examination by Sam Altman's lawyer, in a high-stakes trial over a lawsuit Musk brought accusing OpenAI of abandoning its mission to