POTTSVILLE, Pa. — To the state inspectors visiting the HCR Manor­Care nursing home here last year, the signs of neglect were conspicuous. A disabled man who had long, dirty fingernails told them he was tended to “once in a blue moon.” The bedside “call buttons” were so poorly staffed that some residents regularly soiled themselves while waiting for help to the bathroom. A woman dying of uterine cancer was left on a bedpan for so long that she bruised.