We are not replaying the beginning of WWII. Russia is still a nuclear power.
It seems that too many have forgotten how the Cold War was fought - and won. And it was not by forcing our adversary to use nuclear weapons.
A deescalation is necessary, but for that we would need statesmen of Reagan’s and Thatcher’s stature. And they are sorely missing in the present world.
Neville Chamberlain did not win peace in his time.
Under Reagan, we pushed Russia to the wall on nuclear weapons, things were very hot under Reagan.