Barack Obama believes that media and tech companies have a responsibility to help fight against political polarization on social media. Watch:<br />» Sign up for our newsletter KnowThis to get the biggest stories of the day delivered straight to your inbox: https://go.nowth.is/knowthis_youtube<br />» Subscribe to NowThis: http://go.nowth.is/News_Subscribe<br /><br />For more politics & big tech news, subscribe to NowThis News.<br /><br />#Obama #BigTech #Democracy #Politics #News #NowThis
