Flint, Michigan (CNN)Eight-year-old Nadia Baylor sits on the floor in her home in Flint, Michigan, playing with her toys, giggling and chattering -- until she talks about the water. "This water is poison," she says, without skipping a beat. "If I drink it, I going to die and I don't want to die. Nobody want to die." Nadia's mother and others across the city say they repeatedly,