For more than four decades, the U.S. and Iran have had a relentlessly poor relationship. To be sure, it is hardly a shock that tensions would run high between the countries following the hostage crisis of 1979-1981, when Iran held more than 50 U.S. diplomats in captivity for 444 days. Even so, little progress has been made in U.S.-Iran relations in subsequent years. Why is this? One factor could be that the dominant stories framing each country’s politics combine to inhibit any kind of lasting cooperation with each other. That’s…