This week, Justin welcomes back Patrick K. O'Donnell. Patrick is a combat historian who has covered the war in Fallujah, Iraq in 2004, where he was armed and participated in the battle alongside the U.S. Marines. He's an expert on special operations units and irregular warfare. He's published 13 books so far on combat history, covering stories from the American Revolution, World War II, The Global War on Terror and more. He's also the author of The Brenner Assignment, which informed episode n...