So my guess is that an EO need merely to declare a judicial-esque interpretation of what this phrase means... something that SCOTUS can then validate... and declare this interpretation to be the policy of the United States for implementation of the 14th amendment's provisions.
That said, it will be important to have a SCOTUS decision so that any future administration would not be able to rescind this coming EO.
It is possible that this is a first, tough negotiating position to ultimately get a law out of congress. Dems would push it to SCOTUS where it would be blessed.
It is possible that this is a first, tough negotiating position to ultimately get a law out of congress. Dems would push it to SCOTUS where it would be blessed.