Ask Dr. Nandi: Why so many products are being recalled over salmonella concerns?

Some favorite kids' snacks are under a potential salmonella recall. Pepperidge Farm Goldfish Crackers and Ritz Crackers have joined the growing list of potentially contaminated items. The list of foods that may be contaminated with salmonella also include Swiss rolls and Kellogg's Honey Smacks. According to the USDA, it's the whey powder in the products that are to blame.