Yeah, but he's not in a persistent vegetative state (I don't think)..

Which begs the larger question..why oh why would anybody want to keep somebody who is in a persistent vegetative state..persistently vegetative?   And why would anyone sign an advance directive allowing life sustaining measures should they fall into a vegetative state due to illness or trauma?  Where is the logic?   I see it as a non-issue, but...

See the following, and click on the cases of Hudson etc..

http://en.wikipedia.org/wiki/Karen_Ann_Quinlan