John Spencer is joined on this episode by retired General David Petraeus. He served thirty-seven years in the US Army, culminating his career with six consecutive commands as a general officer, including five in combat. He served as the commander of coalition forces in Iraq during the troop surge there, commander of US Central Command, and commander of coalition forces in Afghanistan. Following his retirement from the Army, he served as director of the Central Intelligence Agency. He earned a PhD from Princeton University and is the coauthor of the recent book Conflict: The Evolution of Warfare from 1945 to Ukraine. He brings both scholarship and deep, firsthand experience fighting enemy forces in urban ares to this conversation.