[Unedited] Jaroslav Pelikan With Krista Tippett

Jaroslav Pelikan was professor of history at Yale University for four decades. He authored many books "Christian Tradition: A History of the Development of Doctrine" and "Credo." This interview is edited and produced with music and other features in the On Being episode "Jaroslav Pelikan — The Need for Creeds." Find more at onbeing.org.