In a coarse sackcloth robe worn over a hairshirt, she sits alone in her stone-floored cell. Her food is bread, water, an occasional cooked vegetable. Through a small grilled window she may look into a chapel, and down a narrow passageway there is another barred window where she takes her daily communion. In the cell is a straight chair, a table, a board that serves as her bed and a small washroom with a cold shower. Not since she closed the door behind her 16 years ago has she ever left this confined area.
This austere regime belongs to a 54-year-old American...