Iraqi-American Pediatrician Mona Hanna-Attisha on the Trauma of Child Separation & the Travel Ban

As more than 900 children remain separated from their parents, we speak to Dr. Mona Hanna-Attisha, a pediatrician from Flint, Michigan, who helped expose the dangerous levels of lead in the city's drinking water after testing blood lead levels in children.The Iraqi-American doctor has just published a new book titled "What the Eyes Don't See: A Story of Crisis, Resistance, and Hope in an American City." We talk to Dr. Mona Hanna-Attisha about Trump's immigration policies, the Muslim travel ban and her family history.