One is merely a citizen, the other a Natural Born Citizen.
Is this following the old birther argument that a Natural Born Citizen was one not born by Caesarean Section?
I imagine these Birthers behaving like Kitboga, the guy who screws with scammers from India, just to waste their time, and screw with them, pretending not to understand things:
https://www.youtube.com/watch?v=Vx4RzlopDpw