Thanks to the U.S. president’s keen political acumen, the Islamic Republic has lost a key point of leverage. What makes this attack so shocking is not just the target; it is who got targeted. Oman is the Gulf state closest to Iran politically, and it has long served as the main mediator between Iran and the West. Yet Tehran still went after its oil infrastructure... ...Iran’s message is clear: No oil infrastructure in the Gulf is off limits. And this is not new behavior. Iran has previously targeted oil production even in countries that are not openly hostile. Saudi Arabia,...