Sometimes a person is with us for only a short period of time and yet that person leaves a legacy that touches others forever. That is the case with little Mary Beth Miller. Tune in to her her mother and father talk about her life, the miracles they witnessed and how one little girl influenced others to pass a law to save countless other babies born with the number one birth defect -- which often goes undetected until it's too late. What makes a parent decide to talk to lawmakers with the hope that a child's life would not be in vain?