Wednesday, Feb. 21, 2018

The indictment secured by the special counsel, Robert S. Mueller III, makes it clear that the most powerful weapon in Russia’s campaign to disrupt the 2016 election was Facebook. We look at how Russia used social media to sow divisions in the United States. Guest: Kevin Roose, who writes about technology for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.