"law being used to kill Terri, and no doubt others, was passed by the Florida legislature and signed by Jeb"
Do you know it was signed by Jeb - or are you just guessing because that answer suits your agenda of blaming Jeb for everything ..??
And if there is legislation which supports the "killing of the mentally disabled" - please prove that by providing the provision for us to read. Otherwise stop speculating.
See in particular, sections 765.401 The proxy. and 765.404 Persistent vegetative state. See also the definitions, in particular,
(10) "Life-prolonging procedure" means any medical procedure, treatment, or intervention, including artificially provided sustenance and hydration, which sustains, restores, or supplants a spontaneous vital function.
Spooky stuff, eh? I wonder if other states have similar laws?