Tensions between the U.S. and Iran have a long history, being particularly intense since 1979. Although food has not been a formal part of the sanctions imposed by Washington, their adverse impact on Iran’s economy have nonetheless impacted dietary consumption.   Once a major wheat import market, domestic production has increased in recent years to offset the loss of imports, but not enough to prevent a 17 percent decline in per capita consumption over the past six years. Rice consumption has stayed the same and corn imports, largely from the Black Sea, have doubled in volume since 2014.  Iran has a large, youthful population that could present a major consumption basis for agricultural commodities. However, with a la...