Conversations with Great Minds - Susan Cain - Introverts vs. Extroverts P2

Susan Cain, "Quiet: The Power of Introverts In A World That Can't Stop Talking, joins Thom Hartmann. Why are extroverts favored in American society - and are there any cultures across the globe that value introversion more? We'll ask author and lecturer Susan Cain in tonight's Conversations with Great Minds.