Socialist Party leader and Presbyterian minister Norman Thomas discusses social progress, his political views, and where society is headed with Studs Terkel. This is the final part of his interview.

Discussing "Distortions of Negro History" and interviewing Lerone Bennett, Jr., John Hope Franklin and Hoyt Fuller.

John Kenneth Galbraith, economist and diplomat, discusses his book, "The Age of Uncertainty," which was being made into a PBS documentary. Galbraith talks about some of the most well-known economists and explains their writings. He explains how many of their ideas have long lasting effects on capitalism the US has today.

Frederick Ritter discusses the life and work of playwright and poet Bertolt Brecht and preforms a few his songs. He also discusses the philosophy of epic theater and literature in Germany. Sabina Roupp joins Ritter with Brecht's music.

Nick Salvatore discusses Eugene V. Debs' life.

Charlotte Chandler discusses biography on Groucho Marx, "Hello, I Must be Going". Includes songs and excerpts by Groucho Marx, such as: "Hello, I Must be Going;" "Hooray for Captain Spaulding;" "Omaha, Nebraska;" "A Day at the Races;" and "Five Marvelous Pretzels." Includes recitation of "Six Flying Hamsters."

Ronald Steel goes in-depth about his biography of journalist Walter Lippman.

English actor, director and writer Victor Spinelli discusses several aspects of Joan Littlewood's production of "Oh, What A Lovely War!", including the origin of the songs, slides and quotations used in the musical. The two also discuss the World War War I, blind patriotism and what an Italian drill sergeant might sound like. Includes as a reading of "Watchers Along the Mall" by Spinetti.