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April 19, 2026       Share:    

Source: https://thehill.com/opinion/national-security/5829012-iran-nuclear-threat-israel-defense/

Imminence Is No Longer the Criterion for Military Preventive Action

(The Hill) Alan Dershowitz - Extremists have accused President Trump of "war crimes" for his attack on Iran. Trump reasonably and understandably believed Iran was close to developing a nuclear arsenal, which the mullahs might have deployed against Israel in the near term, and perhaps eventually against the U.S. Regardless of whether the potential timing of this threat fits the traditional definition of "imminent" - right on the verge of happening - it was real and would have been catastrophic if carried out. Accordingly, both the U.S. and Israel had the right - indeed, the obligation - to regard the threat that Iran would soon develop and deploy a nuclear arsenal as sufficiently dangerous to warrant preventive military action. Had either country waited until this nuclear threat was truly imminent, it might have been too late to stop it. We can say this from experience. We waited too long with regard to North Korea, and that rogue nation managed to develop a nuclear arsenal under our noses. As a consequence, the Hermit Kingdom has been constantly threatening the world, and we can do nothing about it. Iran, the world's top state exporter of terrorism, would pose a far more serious near-term threat than North Korea. Former Foreign Minister of Australia Gareth Evans wrote in a 2004 UN report that, "The classic non-threat imminent situation is early-stage acquisition of weapons of mass destruction by a state presumed to be hostile." Israel used such a justification to preemptively destroy both Iraq's and Syria's nuclear weapons programs before their threats became imminent. An even stronger case can be made regarding Iran's nuclear arsenal program, since Iran has threatened to use it against Israel - which its leaders have called "a one-bomb state." Once Iran obtains a nuclear arsenal, it will already be too late for prevention or preemption. The writer is professor emeritus at Harvard Law School.

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