"Prove" is a legal conclusion. A fact witness doesn't give opinion on a point of law. Here, Onaka, a custodian of records, is verifying what the Hawaii vital records state as to a given event. The Hawaii statutes provide the legal conclusion as to proof:
"(b) A verification shall be considered for all purposes certification that the vital event did occur and that the facts of the event are as stated by the applicant."
Given that Hawaii will issue birth certificates to people who were not actually born in Hawaii,
And as concerns Obama, your support for this assertion is . . . what?
I have no interest in reading whatever it is you have to say. You are an obsessed loon with delusions of competence, and the less time I spend pondering your imponderables the better.