The United States, Israel, and Iran: Defusing an 'Existential' Threat

"Iran is an existential threat to Israel. This apocalyptic warning call has become a mantra continually repeated by virtually all Israeli leaders and defense officials and has been adopted by much of the U.S. national security establishment. President George W. Bush even warned that Iran’s declared intention of destroying Israel could lead to World War III.

There is no doubt that Iran poses a severe threat to Israel, not only in the nuclear field, but what kind of danger does its nuclear program constitute? Is Israel’s future in imminent danger if Iran goes nuclear? The answer is probably not. Although somewhat reassuring, this response is less than satisfying.

First, the good news. It is difficult to imagine a practical scenario in which Iran would initiate the actual use of nuclear weapons against Israel. Iran has to take into account that Israel is reputed to be a nuclear power. Thus, any nuclear attack might result in a counterstrike and in a “Tel Aviv for Tehran” exchange or even a broader one. Iran certainly has a deep theological commitment to Israel’s destruction and has already proven its willingness to devote considerable resources in pursuit of this divine vision, but what price is Iran ultimately willing to pay? At what point does its cost-benefit calculus change? Would it accept thousands dead, tens of thousands? Probably. Hundreds of thousands, as it lost in the Iran-Iraq war? Maybe. Untold destruction?

Again, presumably not. As extreme as Iranian ideology is, Iran has pursued a largely “rational” policy over the years, in which its national interests have usually taken precedence over theological ones and which has generally adhered to a carefully calculated course. Iran has fundamental national security reasons, totally unrelated to Israel, for seeking a nuclear capability. Iran fears a future resurgence of Iraq, its traditional nemesis, and views the United States as the primary long-term threat to its security. It also lives in a highly unstable region in which two of its neighbors are already declared nuclear powers and many more are exploring nuclear capabilities. As aggressive as Iran’s stance toward Israel is, it genuinely fears Israel’s intentions, totally unwarranted as this may be, except in a reactive sense...."

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