One Doctor. 25 Deaths. How Could It Have Happened?

COLUMBUS, Ohio -- Dad was dying, the doctor told James Allen's family members as they clustered by his hospital bed.Allen's family was stunned. He had suffered a heart attack and was on a ventilator in the hushed intensive care unit of Mount Carmel West, a Catholic hospital in a working-class corner of Columbus. But Allen, 80, had been stabilized, his family said. He could squeeze his son's hand. His family still believed he would return home to his bedridden wife and his backyard tomatoes.But a