Armed right-wingers are stoking violence in cities across the country. On this week’s On the Media, a look at the origins of the American militia movement. Plus, as things heat up, Facebook is fanning the flames. And, in the face of an incendiary headline from the Kenosha News, a digital editor resigns.

1. John Temple [@johntemplebooks], author of Up in Arms: How the Bundy Family Hijacked Public Lands, Outfoxed the Federal Government, and Ignited America’s Patriot Movement, on the evolution of right-wing militias in the United States. Listen.

2. Julia Carrie Wong [@juliacarriew], senior technology reporter for The Guardian, on how Facebook is creating the conditions for violence on the streets. Listen.

3. Daniel Thompson [@olfashionednews], former digital editor for the Kenosha News, on his decision to resign over an editorial stand-off. Listen.