The Quadrilateral Meeting in Tehran and Strategic Decision-Making in Washington The Limits of Regional Mediation, U.S. Power Calculations, and the Future of War and Peace in the Middle East   Introduction The quadrilateral meeting hosted by Tehran on October 26, 2026, with the participation of Iran, Saudi Arabia, Türkiye, and Pakistan, reflects growing concern about … Continue reading The Quadrilateral Meeting in Tehran and Strategic Decision-Making in Washington