So what about black nationalism? The Dallas mass-shooter, Micah Xavier Johnson, was reportedly radicalized in part by various black power Facebook groups: http

So what about black nationalism? The Dallas mass-shooter, Micah Xavier Johnson, was reportedly radicalized in part by various black power Facebook groups: https://www.latimes.com/nation/la-na-dallas-police-shooting-live-suspect-joined-facebook-groups-that-1468001887-htmlstory.html https://www.latimes.com/nation/la-na-dallas-police-shooting-...