Even with around the clock assistance from the Murdoch media clan Putin's candidate is shooting himself in the foot.
Trump will be defeated and Harris is much tougher towards Russia than Biden. That means Russia won't find anyway out of its quagmire while Harris remains in office unless it withdraws to at least the Feb 21 lines of control. I suspect that would be the compromise on offer and it would spell the end of Putin's FSB regime. From there on anything is possible.... with mutually favourable outcomes possible.
Meanwhile, Xi waits patiently to gain effective control over Russia's East.
