Originally posted by multivita-man
That bad choice would almost certainly elicit a massive retaliation on our part. And once we retaliate, Putin would have a choice: surrender, or counter-retaliate. This could spiral out of control very fast. We are not in a position to assume that Putin is rational. We shouldn't assume that he will be deterred from escalating because it would irrational to escalate.
Russia dropping a Nuke on Ukraine or Nato's retaliation.
It's hard to decide which would be more irrational.