The lead poisoning crisis in Flint, Michigan is just the tip of a vast iceberg of lead contamination afflicting mainly urban black communities, writes Leif Fredrickson. A rigid 'race bar' on postwar suburban housing and mortgages left black families in inner cities, exposed to flaking lead paint in run down housing, leaded gasoline residues and lead pipework. Now is the time to correct this shocking historic injustice.
