Scott Ritter Iran has promised retaliation for the assassination of Qassem Suleimani. Donald Trump said this will lead to a disproportionate response from the US. One side can deliver on its threats, the other can’t, unless it goes nuclear. Iran means business “Our reaction,” Iranian general Hossein Dehghan said at the weekend, “will be wise, well considered and, in time, with decisive deterrent effect.” Dehghan also noted that Iran was not seeking a wider confrontation with the US. “It was America that has started the war. Therefore, they should accept appropriate reactions…