The Constitution can be amended but the President has no role in that process. 2/3 of both the Senate and House propose the amendment and 3/4 of the states must ratify it. You can't just pass a law negating the constitution.
No I mean governing statute, ahead of any court challenge. Just put these people in the same category as children of ambassadors, with the same rationale.
A lot of the stuff Trump wants to do will require legislators to agree to it. So he could make an amendment a part of the package he pushes for on the bully pulpit.
Better finally get anti-abortion and man-woman-marriage amendments on the table while we’re at it.