Cambridge Analytica whistleblower Christopher Wylie speaks out | Extended cut

Cambridge Analytica reportedly mined tens of millions of Facebook profiles and that may have helped influence the U.S. election and the U.K. Brexit vote. Now Canadian whistleblower Christopher Wylie is speaking out about what he knows. Welcome to The National, the flagship nightly newscast of CBC News »»» Subscribe to The National to watch more videos here: https://www.youtube.com/user/CBCTheNa... Voice Your Opinion & Connect With Us Online: The National Updates on Facebook:   / thenational   The National Updates on Twitter:   / cbcthenational   »»» »»» »»» »»» »»» The National is CBC Television's flagship news program. Airing six days a week, the show delivers news, feature documentaries and analysis from some of Canada's leading journalists.