Amanpour: Steven Pinker and Ev Williams
02/23/2018 | 26m 46s
Steven Pinker, psychologist and author of "Enlightenment Now", talks with Christiane Amanpour about how we perceive the world and the pushback against science and reason. Twitter co-founder Ev Williams discusses the responsibility tech giants have to fix the "broken" media and Twitter's role in electing Donald Trump.
Expired: 09/09/18Video has closed captioning.