On free will - the short answer is I don’t know. I understand (vaguely) from quantum mechanics that the fact of laws governing matter may not mean everything is deterministic.
And since I believe we are spirits with bodies, not the other way round, there is the question of how our spirits and bodies relate; natural law may apply to the latter, but not the former. I’m not sure how to test that offhand. It’s a good question...
A good answer too.
Thanks again.