Louie, LEW-iss, Satchmo, Pops – call him what you will, Louis Armstrong transformed American music with his jazz trumpet solos and signature, raspy vocals, bringing a New Orleans sound to the world. The beloved jazz legend lived a much darker and more dangerous life than hits like "What a Wonderful World" suggest. We look back at Armstrong under bright lights and dark shadows with Terry Teachout, author of "Pops: A Life of Louis Armstrong."

Guest:

Terry Teachout, author, "Pops: A Life of Louis Armstrong" (Houghton Mifflin Harcourt); drama critic and arts columnist for the Wall Street Journal