What's fuelling this trend of political violence in the US?

An attack that exposes the deep polarisation in America. The shooting of conservative political activist Charlie Kirk has triggered fears of a cycle of political violence. But what's fuelling this trend in the US? And what are the implications? In this episode:  Eric Ham - U.S. political analyst and author Greg Swenson - Political commentator and chairman of Republicans Overseas UK Richard Schoeberl - Former FBI agent and counterterrorism specialist Host: Sami Zeidan Connect with us:@AJEPodcasts on Twitter, Instagram, Facebook