Patrick K. O’Donnell is a combat historian, author, and public speaker who has written ten books recounting America’s wars. He is an expert on elite and special operations units and irregular warfare and expert on the Office of Strategic Services, America’s special operations forces during WWII and forerunner of the CIA. He discusses his latest book "Washington’s Immortals: The Untold Story of an Elite Regiment who Changed the Course of the Revolution." Mr. O'Donnell spoke at a Ford Evening Book Talk on July 5, 2016.