What lawful constraints? He made a statement of opinion.
Like it or not (and I dont) he’s duly elected an has been for 40 years. Sadly the majority of his constituents don’t seem to have a problem with it.
“He made a statement of opinion.”
His oath to uphold the law is broken when the idiot claimed this country has no legal authority to exist.
I take his statement as an admission of denouncing his citizenship.