The United States has never been more divided, and it's safe to say that social media's role in our national discourse is a big part of the problem. But renowned tech journalist Kara Swisher doesn't see any easy fix. "I don't know how you fix the architecture of a building that is just purposely dangerous for everybody." Swisher joins Ian Bremmer to talk about how some of the richest companies on Earth, whose business models benefit from discord and division, can be compelled to see their better angels. Their conversation was part of the latest episode of GZERO World.