The Family Dynamic: How Families Inspire Successful Siblings In her new book, Susan Dominus explores the mysteries of sibling academic and professional success By Carolyn Wise   How is it that all the siblings in one family can become highly successful professionally?  Is it laid-back parenting or energized parenting?  Nature or nurture?  Could it be birth order?  Or just plain luck?  Susan Dominus explores these questions and more in her excellent new book, The Family Dynamic.  Inspired by the Brontë family and its three gifted and prolific sister ...