In a matter of days, one of the most popular social media apps in the country could pull the plug if the Supreme Court doesn’t grant it a legal reprieve. Concerns about TikTok's Chinese ownership led Congress to pass a law that would ban it in the United States unless its parent company sells it. John Yang discussed more with PBS News Supreme Court analyst Marcia Coyle and NPR's Bobby Allyn. PBS News is supported by - https://www.pbs.org/newshour/about/funders