Gender revolution a journey with Katie Couric

Katie Couric sets out across America to meet with leading scientists, physicians, and experts to answer questions about gender and gender identity. Gender and sexuality can be fluid, and today transgender issues are altering the nature of day-to-day interactions. What do you do when your 7-year-old son announces that he wants to be a girl? Or your husband of 30 years announces that he wants to be a woman? Newscasting legend Katie Couric takes us...