I think wars are winnable. It is technically possible for the US (or Russia, China) to annihilate their opponent.
The bigger question is: what follows?
Let's say that NATO got involved and retaliated. Somehow Putin gets handcuffed and sent to prison or otherwise is removed from office.
What then? A HUGE power vacuum in Russia that will be filled by... another ex-KGB officer? A Russian oligarch? A freely-elected politician?
I think wars are winnable. It is technically possible for the US (or Russia, China) to annihilate their opponent.
The bigger question is: what follows?
Let's say that NATO got involved and retaliated. Somehow Putin gets handcuffed and sent to prison or otherwise is removed from office.
What then? A HUGE power vacuum in Russia that will be filled by... another ex-KGB officer? A Russian oligarch? A freely-elected politician?