Deadly blast at US Steel plant highlights need to clean up the industry

Qiyam Ansari was driving to work the morning of Aug. 11 when he felt and saw an explosion occur just down the road in Clairton, Pennsylvania. Thick black smoke burst from the U.S. Steel facility along the Monongahela River, filling the air with an acrid stench, and the ground began shuddering from a series of blasts.…