If solitude is an important key to creativity, then we might all want to develop a taste for it. We’d want to teach our kids to work independently. We’d want to give employees plenty of privacy and autonomy. Yet increasingly we do just the opposite. from Susan Cain’s Quiet: The Power of Introverts in a World That Can’t Stop Talking My friend has sent me Quiet, and she has enclosed this note: “I think you will be able, like me, to find some excellent morsels in here that will remind you of things you like about yourself, your husband and your daughter, as well as some insights.” My friend knows us well —…