'Invisible Child' and childhood homelessness; Implants to relieve depression

"Invisible Child" follows the story of Dasani, a young homeless girl in New York City. Author Andrea Elliott followed Dasani and her family for nearly 10 years, chronicling Dasani's life and growth. Elliott talks about the book. And, STAT's Isabella Cueto talks about her reporting on the first woman to receive customized brain implants to help relieve depression.