Sam Altman reveals Musk's damaging mind games during trial.
Altman begins testimony against Musk in high-profile California trial.
Musk pressured OpenAI leaders to rank researchers, claims Altman.
Altman says Musk’s tactics severely hurt OpenAI's work environment.
Musk was a co-founder, heavily investing in OpenAI's early days.
Trump administration's trade moves include a deal for 500 jets with China.
Discover the complete story behind OpenAI's legal battle.