OpenAI's Sam Altman takes the stand

Summary

CNBC's Kate Rooney reports live from the courthouse where Sam Altman is testifying in Elon Musk's lawsuit against OpenAI. The trial centers on allegations that OpenAI betrayed its founding agreement by pursuing profit. Rooney covers the legal arguments, potential consequences, and the timing of the trial amid Altman's efforts to build trust ahead of a possible IPO.

• Sam Altman takes the witness stand in the Elon Musk-OpenAI trial.
• Musk alleges OpenAI and Altman breached a founding agreement to keep the company nonprofit.
• OpenAI defense argues no signed contract existed and that Musk left because he wanted control.
• Testimony from former board members painted Altman as untrustworthy.
• The trial could impact OpenAI's reputation and a potential IPO.
• Congressional Republicans are investigating Altman's potential self-dealing.