I agree with the first part, but I thought BOTH parents had to be Murricans for that to work, married or not. This is very confusing, not your words, just the whole situation.
I for one figure he probably is a citizen but there is someting on the BC he doesn't want us to know, like the real identities of the parents perhaps.
"Congress has made it easier for unwed American mothers than it is for unwed fathers to pass on their citizenship. The foreign-born baby of an unmarried American mother is a U.S. citizen if the mother lived in the United States for at least one year."
http://articles.latimes.com/2010/nov/11/nation/la-na-court-citizenship-20101111