General Peter Zwack joins us for a discussion of whether there could be another civil war in the United States, how the military might be involved, and how we can prevent if from happening. Retired Brigadier General Peter B. Zwack is a Wilson Center Global Fellow at the Kennan Institute. In 1980 he began his 34-year U.S. Army career as an intelligence and security officer in a nuclear capable artillery battalion. Three decades later, he served as the U.S. Senior Defense Attaché to the Russian Federation from 2012–2014. He is the author of Afghanistan Kabul Kurier: One Soldier's Story of the Taliban, Tribes & Loyalties, Opium Trade, & Burqa and Swimming the Volga: A U.S. Army Officer's Experiences in Pre-Putin Russia.