Susan Cain on Quiet April 11, 2012 by Matt Lewis https://traffic.libsyn.com/secure/a639262b-3963-4b58-b5b9-30151a133e1f/MLewisCain.mp3Podcast: Play in new window | DownloadSusan Cain talks about her book, Quiet: The Power of Introverts in a World That Can’t Stop Talking.