Schiavo is far from the only such case where starting and stopping feeding tubes raise difficult moral questions.

Schiavo is far from the only such case where starting and stopping feeding tubes raise difficult moral questions. Pope John Paul II, suffering from the creeping debilitation of Parkinson’s disease, may well face this same fate. The pope’s parkinsonism will eventually cause him to lose his ability to swallow food. He then will need to receive nutrition and hydration by medical means…