[QUOTE=John Mace]
A supernatural agent can explain anything. It’s literally waving a magic wand.
[/QUOTE]
Waving a magic wand isn’t the same thing as explaining something though, not in this case. We have here a puzzler: how do choices get made, and how do we reconcile a concept like responsibility with a concept like freedom from pre-determination? Saying “oh, a magical elf did it” doesn’t help explain anything, because it doesn’t tell us anything about how those puzzles get resolved (if they can get resolved).
If anyone thinks a supernatural agent can explain free will, then by all means, please enlighten us. But just because something is supernatural, and thus a lot more flexible than natural explanations, doesn’t mean that it can meet a burden of explanation simply by restating the problem and then saying that X does it. Okay, so what? It does it HOW?
Most of the time, the “supernatural” is just a fancy way of saying “I have no explanation at all for this, but I thought of a fancy name for my ignorance!”
A “soul” is a great example. People seem to think it does something or other really super-ultra special in explaining things about choices and feelings and the experience of consciousness that supposedly icky limited cold science cannot. But they never really get around to explaining how this soul thing answers any of the questions they scoff at natural science for not being able to answer. As far as I can, piling an incoherent jumble of words that aren’t well defined on top of a mystery doesn’t get us any closer to solving it.
[QUOTE=Sapo]
I do believe that a supernatural “soul” can account for Free Will on a deterministic universe but that is the subject of a different thread. This thread is mostly about the incongruence of a natural Free Will, I believe and I am really trying not to derail it into the supernatural 
[/QUOTE]
I don’t see that it is a separate subject. If you assert that a supernatural anything can account for anything, by all means, do tell.
As I see it, terms like “natural” or “supernatural” are pretty useless in any sense. Just tell me exactly what it is this “soul” thing is doing, how that factors into free will, and exactly what role “free will” is playing in anything as opposed to something that doesn’t have this mysterious quality. I’m not going to be picky about whether or not something obeys the laws of nature, because I don’t think you can meet that burden no matter what laws you hold to or break regardless. Free Will is fundamentally incoherent no matter what entities or other concepts you propose.