Elon Musk’s trial against Sam Altman to reveal the ongoing power struggle for OpenAI

The bitter legal fight between Elon Musk and the leading artificial intelligence firm, OpenAI, led by Sam Altman, may come down to a few pages in one executive’s personal diary.

“This is the only chance we have to get out from Elon,” wrote ​Greg Brockman, OpenAI’s president and a co-founder, in the fall of 2017. “Is he the ‘glorious leader’ that I would pick?”