TEHRAN (AFP) - Iran has launched a major campaign urging consumers to stop buying "Zionist" products, ranging from Coca-Cola and Pepsi soft drinks, to Calvin Klein clothing and Nestle food products. "Pepsi stands for 'Pay Each Penny to Save Israel", viewers in the Islamic republic have been warned in an oft-repeated three-minute infomercial on state television, prompted by Israel's ongoing assault against the Palestinian territories and Lebanon. "Zionists are the biggest shareholders in the soft drinks industry, and each year they make billions of dollars for their colonialist aims," consumers with a thirst for fizz have been told. Coca-Cola is...