CONSHOHOCKEN, Pa. — At this sprawling steel mill on the outskirts of Philadelphia, the workers have one number in mind. Not how many tons of steel roll off the line, or how many hours they work, but where they fall on the plant’s seniority list. In September, ArcelorMittal, which owns the mill, announced that it … Continue reading Trump Promised to Protect Steel. Layoffs Are Coming Instead.