"What the hell is going on?" That's what Elon Musk told a federal California jury Wednesday he texted Sam Altman after learning in early 2023 that tech giant Microsoft invested $10 billion in OpenAI. Musk, who cofounded OpenAI with Altman more than a decade ago, said he blasted the move in the text as a "bait-and-switch." The Tesla and SpaceX CEO made the comments during his second day on the witness stand in his blockbuster civil trial over OpenAI's for-profit transition from a nonprofit