Two quick hits: cool study by the Oceana group reported on by the NYT and the SF Chronicle today. Basically, in a restaurant, half the time you don't get the fish you think you're getting. In a sushi restaurant, you almost never get what you order, and if you're in Texas, you literally never get what you order! Wow.
Also, on our current theme of gas prices, guess what gas prices affect? Walmart sales. Yep.