[stuartcr]

If he were born in Hawaii, wouldn’t that make him natural-born?

Can just anyone buy someone else’s birth certificate?

[ml/nj]

If he were born in Hawaii, wouldn’t that make him natural-born?

No. If you are an athlete, are you automatically a natural-born athlete? See this thread with the Oxford English Dictionary history of the usage of this phrase; and do as they suggest and compare with the the history for the phrase native-born to highlight the differences.

ML/NJ