Comment: ok here's the deal

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In reply to comment: We agree that Rubio is not a (see in situ)

ok here's the deal

Naturalization is an act by the state department of INS (Immigration Naturalization Services). It is a legal act done to make you a citizen.

Marco Rubio was born in a Florida hospital where he was issued a birth certificate. He did not go through immigration to get a status of citizen. Therefore he was never naturalized. Nothing had to be done to make him a citizen.

Naturalization is a legal term and is a process of making a non citizen a citizen.

Rubio was a citizen at birth.

You would have to show me a birth certificate with the words naturalized on it or show me a person born in the US that had to undergo naturalization.