How realistic is an Israel-Iran war?

Scott Ritter- The drums of war have been beating loudly if one were to take the recent headlines about Israel and Iran seriously. But Israel cannot act militarily against Iran without US support, and

The drums of war have been beating loudly if one were to take the recent headlines about Israel and Iran seriously. But Israel cannot act militarily against Iran without US support, and the US will never support such an action.

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https://thealtworld.com/scott_ritter/how-realistic-is-an-israel-iran-war