
Kenneth C. Davis, author of the "Don't Know Much About" series, quizzes listeners on their knowledge of American history.
All-around history quiz whiz @kennethcdavis is grilling listeners on the air. Got history chops? Call 212-433-9692 pic.twitter.com/uuw2me6qSP
— Brian Lehrer Show (@BrianLehrer) July 2, 2015