Title 18 (sio) Section 1401 gives legal meaning to the Constitution’s words. It clarifies what the Congress considers natural born. You can try to claim the law violates the Constitution but the courts have repeatedly skirted the issue and have allowed the law to stand.
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I believe it is Title 8 (vs. 18).
According this Cornell listing it says nothing about natural born.
It does say ‘at birth’ but citizen at birth and natural born Citizen are not the same thing.
http://www.law.cornell.edu/uscode/8/1401.html
But apparently inserting ‘natural born’ anywhere for ‘at birth’ is common.
As in here:
http://www.worldandi.com/subscribers/feature_detail.asp?num=26823
The original immigration act gave is insight as to the exact meaning and intent of the founders.
I have no idea as to the facts and do not pretend to at this point. The only thing for certain is the that the story as portrayed is not reality. Beyond that anything and most things are possible.
There simply isn’t three levels of citizenship as you describe: Natural, native, and naturalized. There are only two, natural and naturalized. The founding fathers weren’t trying to get into a semantics game when they stated ‘natural born’. They knew what the words ‘natural’ and ‘born’ meant and they used them as they understood them. Those words have the same meaning today.