The oil market might face a new reality after the Iran war in which exports through the Strait of Hormuz do not return to the levels once considered normal, as shipowners now have to weigh the risk that fighting could abruptly break out in the volatile Persian Gulf. And Western commercial ships will likely hesitate to sail through Hormuz if it remains under Iran's de facto control, especially if they have to coordinate with the Revolutionary Guard, putting them at risk of violating U.S. sanctions. It is a scenario with consequences that are difficult to foresee given the vital role that Hormuz plays in global energy markets. Freedom of navigation through the strait was never seriously challenged until Iran basically closed the sea lane in response to the war launched by the U.S. and Israel on Feb. 28. Iran's blockade of Hormuz has triggered the largest oil supply disruption in history, putting pressure on the U.S. to make a deal as the threat to the global economy grows by the day.…