In closing arguments, a lawyer for Elon Musk hammered the credibility of Sam Altman, OpenAI’s chief executive. An OpenAI lawyer argued that Mr. Musk’s case against the company, which he co-founded, ...

Here’s what we learned from Elon Musk’s testimony, and what to expect this week. This story originally appeared in The Algorithm, our weekly newsletter on AI. To get stories like this in your inbox ...

Elon Musk said in his second day of testimony that he was “a fool” for funding OpenAI. Mr. Musk grew combative during questioning from a company lawyer. Elon Musk enters the courthouse in Oakland, ...