When Saudi Defense Minister Prince Khalid bin Salman, Pakistani army chief Asim Munir and Turkish intelligence chief Ibrahim Kalin last week sat down in Tehran, across the table were Iran’s most senior officials: President Masoud Pezeshkian, Supreme National Security Council Secretary Mohsen Rezaei and Foreign Minister Abbas Araghchi. The trip was meant to support the Qatari-Pakistani mediation between Washington and Tehran. The stakes were rising. Houthi attacks on Saudi Arabia and disruption i