Teachers: Sensitivity in Pontiac

"An open keg of gunpowder with people smoking around it." That is how the host of a discussion show on a Pontiac, Mich., radio station describes his city. The explosive potential lies in the makeup of the factory town's population of 80,000. Of the total 30,000 are blacks, 4,000 Spanish Americans, 13,500 whites from the South, and the rest local whites. Tension in Pontiac, and in its schools, has been consistently high ever since two men were killed and fire bombs thrown in a spillover of the 1967 riot in nearby Detroit. Last...