Although Iran has not been clearly behind or involved in a major attack on Persian Gulf oil and gas infrastructure (or on a non-oil target) since the Sept 14 drone and missile attacks on Saudi Arabia's Abqaiq and Khurais oil production facilities, the risk of further escalation remains as the United States maintains its "maximum pressure" sanctions campaign against Iran and the status quo continues. In fact, there will be ample opportunity over the next six weeks for matters to get worse, starting with Iran's expected announcement on Nov. 7 that it is taking additional steps away from its commitments under the 2015 Joint Comprehensive Plan of Action nuclear deal....