Networking with Niall Ferguson and Gillian Tett

What do Mark Zuckerburg and Martin Luther have in common? Historian and political commentator Niall Ferguson explains in his newest book The Square and the Tower: Networks and Power, from the Freemasons to Facebook. Ferguson stopped by The New York Public Library to speak with Gillian Tett, U.S. Managing Editor of the Financial Times, about the power and limitations of networks throughout history, our news feeds and censorship.