Comment: you missed the law that

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In reply to comment: Try reading the Constitution. (see in situ)

you missed the law that

doesn't allow the automatic citizenship of a child whose citizen parent is under 18 at the child's birth. So clearly, if a person is born outside the U.S. they have to have a act of congress granting them citizenship. as such that person is a naturalized citizen and not natural born. This why the location of Obama's birth IS important for him to even be a U.S. citizen at birth since his mother could not pass citizenship to him under the law at the time of his birth. So Obama is a naturalized citizen (assuming he was born in Hawaii).