Musk v. Altman: Elon Musk says he was a "fool" for backing OpenAI, accusing Altman and Brockman of manipulating him into donating tens of millions of dollars (Angel Au-Yeung/Wall Street Journal)

Angel Au-Yeung / Wall Street Journal: Musk v. Altman: Elon Musk says he was a “fool” for backing OpenAI, accusing Altman and Brockman of manipulating him into donating tens of millions of dollars — Billionaire says OpenAI co-founder Sam Altman wasn't honest about nonprofit mission