Mine, also. But my child is also a dual Japanese/American citizen, so they're doubly ineligible, by both Jus Soli and Jus Sanguinis principles. I've already explained this to them, and they grasped it right away.
"Hussein had to have had his own passport when he left Hawaii (if in fact he was born there)."
Issued by what nation's government, I wonder?
Both of my sons were born in the Army Hospital at Camp Zama, and their births were registered at the U S Consulate in Yokohama. No questions here. My daughter was born in a British hospital. Her birth was duly recorded at the U S Consulate in Liverpool. She was a dual-citizen until age 21 when she became a full U S citizen since both parents were both natural-born U S citizens.