The new documentary film 'Tower' tells the story of the 1966 University of Texas shooting that killed more than a dozen people. Director Keith Maitland says the incident was largely pushed aside for years. Maureen Corrigan reviews George Saunders’ first novel ‘Lincoln in the Bardo.’ Also, we remember writer Bharati Mukherjee who died last month. She spoke with Terry Gross in 2002.
