I have found more than this t'wit, BB.
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"On January 11, 1983, Nancy Beth Cruzan, 25, suffered massive neurological injuries in an auto accident and was left severely disabled. After three weeks in a coma she progressed to a state in which she could ingest food. She was able to eat mashed potatoes, bananas, eggs and link sausage, and drink juice with her meals. Even though she could chew and swallow, a gastrostomy tube was inserted into her stomach to assure adequate nutritional intake. Whether she maintained her swallowing ability after the insertion of the tube is unknown, as no follow-up swallow study was done because it was thought this would distress Nancy's parents."
Cruzan, more than Quinlan, was the template for the execution of Terri. We might want to explore if further. (You can bet that George Felos did.) The "clear and convincing" standard of evidence that the patient wishes to be snuffed goes back to Cruzan. We remember how that worked in Terri's case -- ridiculous hearsay from a cheating, financially interested husband and two in-laws was "clear and convincing" to George Greer (but to nobody else over the mental age of six).
That is so sickening. As a parent, I can't imagine how any "parent" can do that to their own child.