Bret Taylor, the chairman of OpenAI’s board, said the artificial intelligence company was “not for sale.” Mr. Musk is separately raising money for his A.I. start-up, xAI. By Cade MetzMike ...

Justice Dept. Asks Judge to Dismiss Adams Case, Capping Days of Drama The move was preceded by a wave of resignations of prosecutors, each refusing to sign the motion and some criticizing the ...