Bell talks with Terry Gross about interviewing white nationalist Richard Spencer for his CNN series 'United Shades of America’ and doing stand-up in black comedy rooms. He has a new memoir. Also, Ken Tucker reviews Kendrick Lamar's album 'Damn.' Bruce Weber and Margalit Fox have written obituaries for thousands of people, ranging from heads of state to the inventor of the Etch-a-Sketch. They are featured in the new documentary 'Obit.'