The Realist Case for the Iran War

It is not too late for the president and his team to be clear about why we did this.

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A U.S. Navy F/A-18E Super Hornet attached to the “Vigilantes” of Strike Fighter Squadron VFA-151 prepares to launch from the flight deck of the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN-72) in support of Operation Epic Fury, March 6, 2026.

U.S. Navy

The debate about U.S. and Israeli military operations has created a fury of its own. Part of that stems from the lack of sure-footedness by Trump administration leaders and the president himself about why the United States launched the operation. But the United States is acting within well-defined limits and principles of realist statecraft. One might wonder: why now? But that’s quite different from: why?

It is obvious to everyone but the most willfully deceptive partisan that the Iranian regime has been an active, aggressive foe of the United States for nearly a half century. The threat Iran poses is not theoretical. President Trump should be explicit that ending the threatening behavior of a dangerous regime is necessary, even if there is no immediate moment that demands it. When abstracted beyond Iran, the broader principle is that sovereignty is not an absolute shield when a regime’s actions have created a high probability of catastrophic harm to others beyond its borders.

Thérèse Shaheen

About the Author

Thérèse Shaheen

Thérèse Shaheen is a businesswoman and CEO of US Asia International. She was the chairman of the State Department’s American Institute in Taiwan from 2002 to 2004.

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