Every family has an origin story – for author Jo Piazza (Under the Influence, Wilder) her family's is a murder mystery. For as long as she can remember the Piazzas have told the story of their Sicilian roots going back over a hundred years ago: one by one the sons and then their father sailed off...

Biographer Walter Isaacson discusses the future of Musk's legacy and whether or not he's burning it all down.

Biographer Walter Isaacson reveals the his own origins and the way it shaped how he approached Elon Musk's story.