Sometime this past week, an Iranian parliamentary official told a Lebanese television channel that Tehran had received an invitation to join the Mecca Accord. No signature, no letterhead, no confirmation from Riyadh, Ankara, or Islamabad — and Iran's own foreign ministry has responded with the kind of calculated ambiguity that neither confirms nor kills a story. In the same week, Iran's foreign ministry announced that Field Marshal Asim Munir will travel to Tehran