Your comment: “The author is an idiot.”
You are correct, but every once in a while, even idiots get the right answer.
The best discussion of this issue with an excellent argument for each side of this dispute can be found at the link below. In the end, Mr. Ramsey concludes that Mr. Cruz is eligible for the Office of President.
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2712485
“The best discussion of this issue with an excellent argument”
You can peddle that garbage all you want, but it cannot change the simple fact that naturalized citizens are not natural born citizens, and no child born abroad can possibly be a natural born citizen without the protection of diplomatic immunity, as observed by the U.S. Supreme court.