Guest bio:Kevin R. C. Gutzman is the New York Times best-selling author of five books, including the new Thomas Jefferson—Revolutionary: A Radical’s Struggle to Remake America , a History Book Club Selection. Gutzman is Professor and former Chairman in the Department of History at Western Connecticut State University and a faculty member at LibertyClassroom.com . He holds a bachelor’s...

Guest bio: Robby Dinero has trained athletes of all ages for nearly 20 years. Alpine trekking, nordic skiing, rock climbing, amateur boxing, Olympic weightlifting, rugby, full marathons, sprint triathlons, fitness competitions; he has an incredibly wide breadth of experience in sports, training, and coaching. An infantry officer in the United States Marine Corps for nearly 14 years, Coach Robby...