Elon Musk's lawyer started his cross-examination of OpenAI CEO Sam Altman in court Tuesday, asking if he is honest and if he can be trusted.

Musk’s lawsuit accusing Altman and OpenAI of abandoning their mission as a non-profit has shed light on their workings at the artificial intelligence giant.

OpenAI CEO Sam Altman took the witness stand Tuesday to defend his business record in a trial pitting him against Elon Musk, rebutting testimony that disparaged his leadership at…