Philosopher Thomas Hobbes famously described the natural state of humankind as "solitary, poor, nasty, brutish, and short." More than 350 years later, author Rutger Bregman's new book couldn't disagree more. "Humankind: A Hopeful History," paints quite a different - he might even say, revolutionary - view of what people are really about. Bregman, a writer for The Correspondent talks to Steve Paikin about his ideas.