Series of snack recalls raise safety concerns
Popular snack companies have issued recalls for some of their products due to potentially tainted whey powder, which is used in many processed foods. Ritz crackers and some varieties of Goldfish are among the snacks being recalled. No confirmed illnesses have been reported. Michael Moss, an investigative journalist and author of the book "Salt Sugar Fat: How the Food Giants Hooked Us," joins CBSN to talk about the growing number of food recalls.