Jeff Glor speaks with Susan Cain about "Quiet: The Power of Introverts in a World That Can't Stop Talking." Jeff Glor: What inspired you to write the book? Susan Cain: I was fuelled by the same ...

Rev. Susan Sparks, preacher, lawyer, and stand-up comedian. Susan is Senior Pastor at Madison Avenue Baptist Church in New York City, and the best-selling author of books like Laugh Your Way to ...