It's a completely reasonable diet -- heavy on fruits and vegetables and fresh, seasonal foods. I'm totally for it. It's common sense in a nice package.

Eat less, move more, eat lots of fruits and vegetables, go easy on junk foods.

These days the biggest issue is how many calories you consume. So all of this stuff distracts people from thinking about calories.

We don't really have any that protect the food supply from farm to table. We have a food safety system that's piecemeal, largely divided between two agencies that don't talk to each other very much. Neither agency can enforce regulations from the farm to the table.

The trans fat label has been an enormous incentive for food companies to take trans fat out of their products.

Consumers have to understand that the purpose of these claims is to get them to buy the product.

Here we have the great irony of modern nutrition: at a time when hundreds of millions of people do not have enough to eat, hundreds of millions more are eating too much and are overweight or obese.