Why Congress Needs To Revisit Social Media Companies' Exemptions From Ftc Rules

A gunman attacked two mosques in Christchurch, New Zealand on Friday, killing 50 people. The suspect appeared to livestream the attack. CBS News senior national security analyst Fran Townsend, former homeland security and counterterrorism adviser to President George W. Bush, joins "CBS This Morning" to discuss what social media companies can do to help prevent extremists from live streaming and taking advantage of its platforms.