This afternoon, I learned that author Sir Terry Pratchett supports physician assisted suicide, and further, offers himself as a test case. Sir Pratchett has Alzheimer’s. His entire life flows from his imagination and his ability to think. I can well understand his fear, and even terror at the idea of losing it. If he wants to kill himself, that is, as far as I’m concerned, his right. But it is not sufficient to make it legal for physicians to help with killing people.