

Wouldn’t that only be true if the third party was running a brand new slate of candidates? If the Republicans and Democrats are in secret talks to form a third party, it’s likely that a whole bunch of incumbents plan to break off from their parties to join the third party. They don’t need to win an election to do that, they could do it right now.
Of course their old parties would try to defeat them in the next election, but if these incumbents have been getting elected for many years then they’d still be hard to unseat even in a different party. Especially so if these members’ electorates are already disgruntled with the existing parties.
There was nothing he could have done. It’s a mistake thinking the US changed so dramatically almost overnight in the past few months. In reality, the cracks in the dam have been growing slowly over the decades. There just comes a point where you can’t paper them over anymore.
All the suggestions here about moves Biden could have made to the Supreme Court or with other laws are forgetting about January 6th. There’s a huge number of people who voted for and actually want what is happening right now. Blocking them or delaying them is only delaying the inevitable. Politics is war by other means.