The word "being" in the first half makes it an explanation of the second half. They are clearly connected, and it's one sentence.

And yes, I have read more James Madison than most people. But I'm sure you know it was Thomas Jefferson that wrote this amendment. His original had only one comma, but unfortunately the copies sent out for ratification to the states were misprinted with extra commas.

The word "being" in the first half makes it an explanation of the second half. They are clearly connected.