Elon Musk suffered a rare loss in his last jury trial.
Since he had a testy fireside chat about artificial intelligence with the Google co-founder Larry Page more than a decade ago, Elon Musk has had one big fear: that A.I. could eventually destroy humanity. It was one reason, he has often said, that he started the nonprofit A.I. lab OpenAI with Sam Altman, Greg Brockman…