A Question of Lead

Back in November, we opined that the likes of the United Nations would be well-advised to focus less on paying for physical improvements to impoverished schools, and more on reducing lead poisoning among very young children. As it turns out, the endlessly troubled city of Detroit might want to consider heeding that advice, too:

A landmark study by the city health department and Detroit Public Schools of lead data and test scores shows that the higher the lead level, the worse a student's...