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OK, thanks for the explanations. I'll reread careful your post with that in mind when I have a chance.
BTW, I think there is potentially almost a lifetime of deeper understanding into these laws. I wonder how many trained people are out there who know these laws, can apply them but don't fully understand them.

@irelandspace, I think you replied the wrong person (me) :)

You are right @irelandscape. We just have to keep digging and learn more. Others take up from where others stopped. I believe no one knows it all.