OpenAI CEO Sam Altman took the stand Tuesday in Elon Musk's trial against the company, testifying that Musk repeatedly sought control of OpenAI before leaving in 2018 . Altman said he opposed putting AI "under the control of any one person," while Musk's lawyer used a pointed cross-examination to attack Altman's trustworthiness. An anonymous reader shares updates from the testimony via the New York Times: Before Elon Musk left OpenAI in a power struggle in 2018, he wanted to merge the nonprofit artificial intelligence lab with Tesla, his electric car company. Mr. Musk and other OpenAI co-founders met several times to discuss the merger. OpenAI's chief executive, Sam Altman, was even offered a seat on Tesla's board of directors, according to a court document. But folding OpenAI into Tesla would have eliminated the lab's nonprofit status, and that, Mr. Altman said on the witness stand on Tuesday, was something he wanted to avoid. [...] "I believed that A.I.…