The Persian New Year, Nowruz, begins on Friday, a day before Purim. While Israelis are dressing up, Iranians are spring cleaning, visiting family, buying new clothes and feasting, as well as visiting fairs where food and other products are sold at discounts of 20 to 30 percent. Yet the effect of international sanctions is still being felt. If in the past, many Iranians spent Nowuz in...