Elon Musk's lawsuit against OpenAI and Altman began a year ago, says Musk biographer Walter Isaacson

Walter Isaacson, “Elon Musk” author and CNBC contributor, joins 'Power Lunch' to discuss Elon Musk's motivations for suing OpenAI and Sam Altman, how far Isaacson expects the Tesla CEO to take the suit, and more.