Stephen Colbert challenges historian, philosopher, and "Sapiens" author Yuval Noah Harari to explain why artificial intelligence may pose a threat to humanity. In this extended cut of their interview, the bestselling author speculates on how our future could be shaped by AI. Check out his latest book, \u201cUnstoppable Us: Volume Two,\u201d available now. \nLearn more about your ad choices. Visit megaphone.fm/adchoices