Section 5, the closing of the 14th Amendment:
“The Congress shall have power to enforce, by appropriate legislation, the provisions of this article.”
Oh.
Congress, not Scotus, not the states were to enforce the 14th.
Tour point is a good one though because SCUTUS could ask: which federal law was enacted under the 14th to enforce Taft statement.
But, and it has been said before: what the left really want to do is create confusion and keep Trump off the ballot