Actually, I hope Trump does NOT highlight this possibility, unless it’s just a one remark situation. It sounds so ludicrous, and it will revive memory of those weeks in June he wasted talking about a ‘Mexican Judge’ not being suitable to try his case.
I think you may be missing the strong possibility of a constitutional crises.
We would not really know who the Vice President or if we are looking at the real Vice President.
If a Castro twin would become president, how would world leaders know they were dealing with the real president?
I can picture Putin storming out of a meeting yelling “That’s not the real president!”
And if they are pulling the Castro Twin Scam when one of them is our President, what happens if we are attached?
Does the real president have the nuclear launch codes or does the stand in twin president have the nuclear launch codes?