Here’s my dream. The now 5-4 conservative (forget Roberts) US Supreme Court looks at all the evidence of MASSIVE FRAUD on a scale never seen before in US politics (Mayor Daley would be jealous) that they vote to completely overturn the election.
This may or may not require a new election.
Absolutely impossible. The date is hard set in the Constitution and there is no provision for a revote. You can’t praise orignalists for adhering to that philosophy, then expect them to write new rules. The remedy, if any, is for the Legislatures to send a competing set of electors