T. Berry Brazelton, MD, is a pediatrician and child psychologist who has dedicated his career to studying child development. Dr. Brazelton is clinical professor of pediatrics emeritus at Harvard Medical School and founder of the Child Development Unit, a pediatric training and research center, at Children’s Hospital. Among his forty books is "The Irreducible Needs of Children: What Every Child Must Have to Grow, Learn, and Flourish." From the Series:Policy Watch with Doug Besharov