The "state independent legislatures doctrine" is not a doctrine. It has never been adopted by the Supreme Court or by any other court for that matter.
It came from three concurring opinions in Bush v. Gore, apparently. Two of the concurring Justices are dead, William H. Rehnquist and Antonin Scalia, and the third is Clarence Thomas.
Parenthetically, I recall from reading all the opinions in that case that the majority held that Bush v. Gore was never to be cited as precedent in any other case?
Anyway, the concurring theory then was that whatever state legislatures say about elections is the final word. This theory of state-legislatures-are- supreme applies in their view even if a state supreme court says that what the legislatures say is unconstitutional or otherwise unlawful. It also applies, in their view, even if the state Constitution says that the state's supreme court has the final say on what the state's law is.
In the United States Supreme Court, though, some but not yet a majority of the living Justices say that state legislatures should rule because after all, these Justices are on the federal Supreme Court, the Highest Court in the land, you know.
They apparently do not see any irony in the view that a federal judge would tell the states what to do about state law.
Or that the United States Supreme Court simply does not have jurisdiction here. But that doesn't matter to them, apparently, if they get the votes they need to do what they will.
I guess it is no coincidence that this view apparently surfaced in the Bush v. Gore case. This view fits with the result in that case that awarded a presidential election to the loser of the popular vote.
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