Today's show is a rebroadcast of interviews that originally aired on August 15 and October 5, 2016.  Sociologist and activist George Lakey on why Scandinavia boasts some of the world's happiest, well-paid workers. Lauren Wright on how the roles of first ladies have changed throughout history. Jamie Metzl discusses his novel, Eternal Sonata: A Thriller of the Near Future. Astronaut Mike Massimino on being the first person to tweet from space, and the last to work on the Hubble Telescope.