When Nvidia Chief Executive Jensen Huang apologized to his employees for marital infidelity, he addressed the note “To my colleagues at Nvidia”—then began talking directly to his family. “I know an apology cannot undo what I have done,” he wrote. “I hope our family will heal and that, over time, I can earn back your trust.” The Wall Street Journal and other outlets have reported that the U.S. government believes Alice Huang, then a top executive of a Singaporean data center company that works with Nvidia, was providing information to China’s intelligence services while engaged in a relationship with Jensen…