Dr. Joan Donovan on 'media manipulation,' the meme wars, and how disinformation hijacks free expression

Dr. Joan Donovan, the research director for the Shorenstein Center at Harvard’s Kennedy School, has become a leading voice in the fight against digital disinformation. She shares her insights with Brian Stelter, exploring the links between the current media landscape and the Occupy movement ten years ago; underscoring the importance of algorithms and platform policies; and touching on important concepts for average platform "users" and lawmakers alike. To learn more about how CNN protects listener privacy, visit cnn.com/privacy