"[S]ince the United States manifestly cannot alter the relationship that any subject or citizen has with the country of their birth or prior citizenship, the import of the naturalization oath lies exclusively as an expression of American attitude and belief...
"Earlier this year, the US Army issued a revised personnel regulation in which the Army announced that dual citizens of the United States and another country are not permitted to enlist in the Army, Army Reserve, or Army National Guard into jobs that require...