Ben Horowitz, co-founder of Andreessen Horowitz, is out with a new book on company culture "What You Do is Who You Are: How to Create Your Business Culture." He discusses how lessons learned from unexpected leaders can transform business, weighs in on workplace culture at Lyft, Uber and WeWork, and defends Facebook as it faces scrutiny from lawmakers. Produced by Haley Draznin, CNN.To learn more about how CNN protects listener privacy, visit cnn.com/privacy