A brief biography of writer W. H. Auden. Discusses the influence of Marx and Freud on his poetry, the didactic nature of his work, the aim of the arts, the importance of fun, recognizing great art, and the musical treatment of poets' work.

In his time, Mark Twain was considered the funniest man on earth. Yet he was also an unflinching critic of human nature, using his humor to attack hypocrisy, greed and racism. In this series, Ken Burns has created an illuminating...