Love and let die.

When the very technology that can save lives is only prolonging death, how should a patient decide whether to stop treatment--or help death along? In the last days of a ravaging disease, patients and their families face all but unbearable decisions. Is there a right to die? To commit suicide? To be killed on request? As the private dilemmas multiply, they have become the public province of interest groups, policymakers and the U.S. Supreme Court.