What’s the difference? Are you just looking for something to whine about?
The Constitution never defines NBC, that is why most who study the Constitution more say the definition is same as in English Common Law. Born to a citizen while beyond the sea sure seems to meet their generally accepted definition. Same as NBC is granted upon anyone born in the USA regardless of their parent’s citenship with the exception of parents being diplomats or members of invading armies.
X - has been.
Spurt - drip under pressure.
natural born Citizen = natural Citizen and born Citizen.
Natural citizen - a citizen who does not require any law to define their citizenship. This a person born in a country to parents who are citizens of the country.
born Citizen - having the trait SINCE birth not AT birth.
This is why Sven is correct in that if Obama naturalized legally he can not be a natural born Citizen. It means he lost his citizenship at some point and has not been a natural Citizen SINCE birth.