Unlike other types of consumer packaged goods, food and beverage products flow through at least two distinct channels: retail and food service. Producers must be able to operate both supply chains efficiently. Nari Viswanathan, research director of supply chain management with Aberdeen Group, discusses some of the trends  that are complicating suppliers' efforts to cut costs while meeting growing customer demand. Low margins, globalization, the rise of "supercenters" and the soaring cost of energy and raw materials are among the factors to be considered. Tainted products present yet another challenge, even in supply chains where producers supposedly exert tight control over inventory. [Run Time (Min): 12:00]