A slew of State Department directives were re-issued 1990. For example, up until that time, Dual Citizenship was actually recognized until rescinded by 67 Interpreter of Releases 799 and 1092 (here translated from Russian: http://babelfish.yahoo.com/translate_url?doit=done&tt=url&intl=1&fr=bf-res&trurl=http%3A%2F%2Fwww.usa.polpred.ru%2Ftom2%2F44.htm&lp=ru_en&btnTrUrl=Translate ).
My bet would be a birth certificate would be in his travel records, or something else that would prove citizenship and residency in OTHER THAN Hawaii, USA.
I’m not sure you understood my post 83. Your post 95 didn’t fit my point about the passport and the hole in the state dept.