Mark Engler is a writer based in Philadelphia, an editorial board member at Dissent, and co-author of "This Is An Uprising: How Nonviolent Revolt Is Shaping the Twenty-first Century" (Nation Books). He can be reached via the website www.DemocracyUprising.com. Jeremy Varon is the author of "Bringing the War Home: The Weather Underground, the Red Army Faction, and Revolutionary Violence in the Sixties and Seventies." Research assistance for this article provided by Jason Rowe.
