The keynote speaker at my son’s graduation ceremony emphasized principles that are currently trendy in business and psychology: the importance of failure and the courage to take risks. He asserted that essential emotional growth happens when we learn from failure and get out of our comfort zone. I thought about these principles as I listened to a mom of four-year-old fraternal twin daughters talk about her parenting challenges. Neither of the girls sleeps through the night. One, whom I’ll call […]