From Economic Policy Journal:

Which state, the U.S. or Iran, more likely wants a war with the other? It's the side that thinks it benefits from such a war. That side is the U.S. If this war begins, it will be entirely because the U.S. wants it and has decided that the time is right to instigate it or elicit actions from Iran that provide excuses for instigating it. Any U.S.-Iran war will be entirely the doing of the U.S.

Here's how we know this. Iran has nothing to gain... because it will lose such a war, its power being so much less than the U.S. This is why Iran has tolerated, so far and to a remarkable degree, the intrusions of U.S. subversions and covert activities in Iran, the assassinations of scientists, the computer disruptions, the embargoes, the sanctions, the U.S. warships, the U.S. threats, and the U.S. troops being placed nearby.

By contrast, the U.S., in the view of the neoconservatives who are running foreign policy, stands to gain quite a lot... namely, undisputed hegemony over the Middle East, control of a country perched on central Asia, control of oil, support for Israel, and a rise in global dominance more generally. Therefore, when and if such a war starts, no matter by what incidents it is triggered, we can be 100% certain that the U.S. has caused and precipitated this war because it, not Iran, is the state that foresees the benefits of such a war.

There are costs, however, and these are restraining the U.S. from instigating this war at this time. These include...

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