What do successful leaders have in common? It often comes down to two key traits: passion and perseverance. In other words, they have grit.  In this episode, Angela Duckworth, a psychology professor at the University of Pennsylvania, shares insights from her New York Times best-selling book, Grit: The Power of Passion and Perseverance. She's also the founder of Character Lab, a nonprofit that works to advance the science of character development.