How in the world could forgery experts have examined it and verified its authenticity without actually having seen it?
That is not the point. He was Barry Soetoro of Indonesia.
There's no proof he ever legally changed his name to that. The school document that AP cited merely proves that some school administrator at one point thought that was his last name, and was likely mistaken. Friends of mine who were adopted have had this problem.
He was an Indonesian citizen.
Really? Where is the proof of that?
You lack any knowledge on this and surrounding events.