![PBS NewsHour - Segments show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/082/426/small/pbs-newshour-segments.png)
Summary: Facebook has been on the defensive since a New York Times investigation found it had hired a consulting firm--founded by Republican operatives--to push negative stories about its critics. Among them: liberal billionaire George Soros, a favorite target of far-right conspiracy theorists. John Yang speaks with the Wilson Center's Nina Jankowicz about whether social media needs to be regulated.