Rubio parents were legal residents, in accordance with Section 1 of the 14th Amendment, of the US at the time Rubio was born in the US thus making Rubio nBC.
If the framers meant for anchor babies to be considered “NBC”, then why use that phrase? What is natural about foreigners coming into this country to give birth?
Why didn't the Framers just say “anyone born on US soil can be the president”
Any kid born in the US to any diplomat or any illegal immigrant can become our president?