Let me tell you about the great work that the amazing people at Children’s Hospital of Philadelphia’s Trisomy-21 Clinic are doing.Before I can get to that, though, I need to introduce you to …

Let me tell you about the great work that the amazing people at Children’s Hospital of Philadelphia’s Trisomy-21 Clinic are doing. Before I can get to that, though, I need to introduce you to Violet. She’s 3 years old.