It's a bit more complex than that, in that the constitution guarantees a republican form of government. In reality, those who oppose republican forms of governm

It's a bit more complex than that, in that the constitution guarantees a republican form of government. In reality, those who oppose republican forms of government will push for these compacts and they are in a minority, so there aren't enough electoral votes to make this relevant and actually trigger the compact, but if it were to be triggered, you'd bet that there would be some constitutional challenges.