Yes. He is not a Natural Born Citizen by definition.
Unless his father is other than Barrack H. Obama, Sr.
Some say his father may be Frank Marshall Davis. If he is, then BHO is both a Natural Born Citizen and a Natural Born Commie.
But he is probably only a Natural Born Commie.
Where was Bill Clinton back then?
His father is who ever is on the BC period.The legally liable name is on the BC,nothing else matters.