Nvidia CEO Jensen Huang — already embroiled in a scandal for an extramarital relationship with a woman believed by U.S. intelligence to be spying on behalf of China — reportedly had a separate affair with one of his direct reports, according to the New York Times.The Times, citing five anonymous sources within Nvidia, says that Huang had a relationship with Kimberly Powell, the company's vice president of health care. The sources claim that Huang and Powell were "captured on video being affectionate" in March at a hotel in San Jose, Calif., where the company's GTC conference takes place. Developing…