Have thought about the probability of this (nuking Iran): Talk of "unconditional surrender" sounds eerie. Probability that Trump would bring it up goes to 1 over time (if it isn't there already). Conditional probability Hegseth would get onboard = 1. Now what could stop it? ...
Could be connected: Hegseth wants somethng extra-brutal because he is under pressure from Trump or as an order from him. Military leadership pushes back. Worst case: Trump's one-pager on world history has a bullet point: "Hiroshima & Nagasaki = unconditional surrender."