In the past, transplant procedures were fairly cut and dried: Doctors only removed a patient's organs after their brain stopped working completely. Lately, however, three heart transplants have taken place in which the donors--all infants--were on life support and had little brain function, but weren't technically brain dead. The procedure, known as donation after cardiac death, is being encouraged by federal authorities, organ banks and others. The question is, are such transplants ethical, or legal? Article