Iran's economy is under pressure as the war enters its third month.Dean Conger/Corbis via Getty ImagesIran's pain from the war is increasing as the US blockade continues.The nation's oil exports—the backbone to Iran's economy—have been hit hard.Inflation has also soared amid supply shortages and a sharp drop in its currency.The war in the Middle East is entering its third month, and Tehran is struggling.Iran's economy is flashing signs of seriou…