Elon Musk was on the witness stand for the second day in his high-stakes case against Sam Altman. Karl Mondon / AFP via Getty Images Elon Musk testified for a second day in his blockbuster civil trial against OpenAI. He told a jury about how he reacted to Microsoft's $10 billion investment in OpenAI. In a text to OpenAI CEO, he blasted the move as a "bait-and-switch," Musk testified. "What the hell is going on?" That's what Elon Musk told a federal California jury Wednesday he texted Sam Al...