Politics: Will there be WW3 or a Nuclear Armageddon?

The fear mongering narrative remains that the Russian/Ukraine war will end in a nuclear Armageddon or WW3.
I argue differently and that America will abandon Ukraine as soon as he realizes that the war will be lost and he has set up the next military conflict, probably Taiwan.
You can watch Crosstalk at the following link.
https://www.rt.com/shows/crosstalk/564603-nato-claim-war-russia/