The Murky Waters of Social Media and "Objectivity" in Newsrooms Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email This April 26, 2017, file photo shows the Twitter app icon on a mobile phone in Philadelphia. ( AP Photos ) Produced by José Olivares Hosted by Arun Venugopal Produced by PRI, PRX and WNYC