A practicing psychologist and family therapist in the Philadelphia area for over 35 years, Dr. Dan Gottlieb hosts Voices in the Family, a mental health radio show on WHYY. He also contributes a bimonthly column to the Philadelphia Inquirer. His new book, Learning from the Heart, examines what divides and unites us all, including the problems of family life and the issues of injustice that affect the way we understand the world and our lives.