Leftist fantasy.

Diplomacy only works if both sides desire peace.

The reality:

Israel desires to avoid a continuation of the Holocaust.

Iran desires stirring up trouble as a means of taking over countries, and uses the conflict with Israel as a justification. It's working fine for Iran, why would they agree to peace? They never have, just some stuff playing us for fools. I don't support The Felon but tearing up the Iran agreement was a stopped clock thing.

The left thinks everything can be solved with enough jaw, jaw. The right thinks everything can be solved with enough war, war. Both are wrong.