After a series of classified national security briefings, Congress passed a law that will ban TikTok if it is not sold by its Chinese parent company. It is not clear what specific risks they're reacting to, but experts point to a widespread, if ineffectual, state-backed disinformation effort and other data-privacy concerns.This episode: senior White House correspondent Tamara Keith, political correspondent Susan Davis, and disinformation correspondent Shannon Bond.*This podcast was produced by Kelli Wessinger and Casey Morell. Our editor is Eric McDaniel. Our executive producer is Muthoni Muturi. **Listen to every episode of the NPR Politics Podcast sponsor-free, unlock access to bonus episodes with more from the NPR Politics team, and support public media when you sign up for The NPR Politics Podcast+ at *plus.npr.org/politics).Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)