No person except a natural born Citizen, or a Citizen of the United States, at the time of the Adoption of this Constitution, shall be eligible to the Office of President;
You're right again. Clause 5 is so ambiguous that it can be interpreted a myriad of ways.”
This really is like talking to a table. Yes, the Constitution uses the words “natural born citizen.” No one has ever disputed that (hint: it's not a clever retort).
What you seem unable to comprehend is that there are valid factual and legal reasons for believing Obama is a natural born citizen. So citing the fact that the Constitution requires the President to be a NBC is not the all purpose answer you seem to think it is. Basically, you're insisting that the sky isn't blue because you interpret the word “blue” to mean “blue-green.”