Why the U.S.-Iran Negotiations Are Taking So LongWhy the U.S.-Iran Negotiations Are Taking So Long As negotiations to end the war in Iran drag on, our reporter David E. Sanger describes the factors that are complicating any agreement. By David E. Sanger, Alexandra Ostasiewicz, Nikolay Nikolov, Rafaela Balster, Ray Whitehouse, Jon Miller and Stephanie Swart June 2, 2026