Alan Alda draws from research and his acting background to explore how people can better communicate with one another. John T. Edge tells the history of the South through food. Catherine Burns and George Dawes Green of The Moth celebrate its 20th anniversary with a new collection of stories. Jonathan Taplin, the Director Emeritus of the USC Annenberg Innovation Lab, discusses how companies like Facebook and Google control how creative content like music, film and television is distributed and shared. Note: Jonathan Capehart guest-hosted this episode of "The Leonard Lopate Show."