Among countless legal tretises on the subject available on line, please see:
“Birthright Citizenship: A Fundamental Misunderstanding of the 14th Amendment”
It is “assumed” law, not “settled” law.
Thank you for the link. Its a concise discussion of the issue.
Its only the law by an intentional misreading of the actual law. The Democrats obstinate insistence that administrative fiat is law doesnt make it so. Trump could change the administrative requirements through executive order and force the issue. Of course, he should wait until he appoints the next justice.