Today's top stories, with context, in just 15 minutes.

On today's podcast:
1) Nvidia Corp.’s board has been working with an outside firm to identify potential replacements for Chief Executive Officer Jensen Huang following reports of multiple extramarital affairs, including one with a woman who is reportedly suspected of spying for China, a person familiar with the situation said. The board is weighing the idea of naming a temporary chief while searching for a permanent one, the person said, asking not to be identified because the information isn’t public.

2) Two key House Republicans on Wednesday said Congress is prepared to subpoena Jensen Huang to provide answers about his affair with an alleged Chinese spy. Republican Representative John Moolenaar, who chairs a House China committee, said Huang has until the end of the day on Wednesday to respond to an earlier request to appear for a closed-door briefing about the scandal that has engulfed one of the world’s most valuable companies and its billionaire leader.

3) The suspected Chinese spy at the center of a scandal that threatens to take down Jensen Huang has returned to her home country, people familiar with the matter said. Megaspeed International founder Alice Huang is currently living in Beijing with the knowledge of security officials, one of the people said. Huang’s whereabouts have been the topic of intense speculation since Nvidia’s founder admitted to an extra-marital affair and the company’s board began an investigation into allegations she’s a Chinese spy.