CHARLEROI, Pa. — For 132 years, the sound of the factory air whistle signaling the start of the workday at the plant along 8th and McKean Avenue in this Washington County borough meant all the things we associate with work: Men and women had jobs, families had food on their table, the societal fabric was strong, churches were full and the tax base kept the schools vibrant and the community prosperous.
It was a good sound.
It meant stability and aspiration…