Elon Musk tells his side of OpenAI’s beginnings in trial pitting him against CEO Sam Altman

Elon Musk took the stand for the second day Wednesday in the landmark trial that pits the world’s richest man against Sam Altman, a fellow OpenAI co-founder he accuses of betraying promises to keep the company as a nonprofit dedicated to humanity’s benefit. The trial centers on the 2015 birth of the ChatGPT maker as a nonprofit startup primarily funded by Musk before evolving into a capitalistic venture now valued at $852 billion. It started Monday and is expected to last about three weeks. Ques...