@CNN: At least 57 Detroit public schools have tested positive so far for high levels of copper, lead or both in drinking water https://t.co/2wzU1VRnmm https://t.co/JS12DKpMkN

@CNN: At least 57 Detroit public schools have tested positive so far for high levels of copper, lead or both in drinking water https://t.co/2wzU1VRnmm https://t.co/JS12DKpMkN