PoliticsNation with Al Sharpton 06/24/15

The most dangerous extremist in America

A new report is shedding light on acts of terror in the US. It shows extremist killers here are more often motivated by anti-government or supremacist views than by radical Islamic views. Rev. Sharpton talks to Brian Levin and Jim Cavanaugh for more. ... more Duration: {{video.duration.momentjs}}