New Delhi, June 7 -- The envelope reached Iran's foreign minister on a Sunday morning, but its intended recipient has not been seen in public since February 28, the day the war began. Pakistan's Interior Minister Mohsin Naqvi handed Iranian Foreign Minister Abbas Araghchi a written message in Tehran addressed to Supreme Leader Mojtaba Khamenei - signed jointly by Prime Minister Shehbaz Sharif and army chief Field Marshal Asim Munir, according to Iran's Foreign Ministry and statements by Naqvi himself. It was his third trip to Iran in as many weeks. Nobody has said what the letter contains.

Field Marshal Asim Munir, who holds more real institutional weight in Pakistan's security architecture than the civilian premiership. That duality was...