You may think that today's traditional Thanksgiving meal is the same as it always was, but that's not necessarily so. The food Americans eat is changing. Farmers' markets are all the rage, and in grocery stores, consumers are reading nutrition labels on bottles and cans. With celebrity chefs appearing on TV, cooking and eating habits are changing, too, but not everybody can afford to go green and organic. We hear about changes in food, shopping, cooking and eating from upscale suburbs to urban ghettos, and from region to region. From posh neighborhoods to urban ghettos, from region to region America's food is changing. So are the ways we produce it, buy it, cook it and eat it.