Guests: Kathleen O'Toole & Mardi M. Billman

Host Scot Bertram talks with Kathleen O'Toole, associate vice president for K-12 Education at Hillsdale College, about the importance of education in forming citizens and her essay "Citizenship Starts in the Classroom." And Mardi Billman, associate professor of chemistry at Hillsdale College, returns for another series on drama in scientific discovery. This week, she begins to discuss the discovery of fire.