He traveled on an Indonesian passport. Soetoro legally adopted him (hence 0bamas name is legally Soetoro) and moved to Indinesia. 0bama atended a grade school for Indonesian citizens only. He visited Pakistan for a summer during college and had to have used an Indonesian passport. He enrolled at Occidental College under the foreign student scholarship program (why do you think he wont release his transcripts).
I've seen speculation about this, but not that we have evidence. Do you have evidence that
1. 0bama traveled on an Indonesian passport?
2. Soetero legally adopted him? (in which case there would be a legal name change, and would have to be a legal change back or he's using a false name!)
3. He was enrolled under the foreign scholarship program at Occidental?
We do know that he was registered for school in Indonesia as "Barry H. Soetero". There is documentation of that. Not complete evidence, but like birth certificates, adoption records are no longer "public", so one could not expect to have them. The other evidence is that Barry, or someone other than his half sister who is mentioned by name, is recorded as a non minor child of the marriage requiring educational support, on the divorce papers of Stanley Ann and Lolo Soetero. (Divorce papers *are* public).