text:  Overall, retail sales were flat compared to figures for May, which were revised higher. Dig a little deeper, though, and the picture looks even brighter. Marketplace's Sabree Beneshour has that story. It was the price of soy milk that did it for Ben Lee. I've been collecting receipts from all these different grocery stores. Lee is 34, lives in Brooklyn, and this year he decided to go hard on comparison shopping.