I am not sure you are right. I think I’ve read that a foreign born child is afforded all the legal considerations that a biological child is afforded.
Until someone can explain differently, I still think it’s possible the last adoption made him Barry Dunham, born in Kenya, adopted IN America IN Hawaii by TWO american citizens (his grandparents) AND a he is Natural Born Citizen.
Gatún? David? Do either of you have the full answer handy? I simply don't have time to dig for it right now.