Unbelievable as it may seem, one-third of all vegetables consumed in the United States come from just three sources: french fries, potato chips, and iceberg lettuce.

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.

There's no question that largely vegetarian diets are as healthy as you can get. The evidence is so strong and overwhelming and produced over such a long period of time that it's no longer debatable.

It's a tremendous way of getting people to buy more at lower cost to the producer. There's no question that that's an incentive to buy. Everybody loves a bargain.

Many countries have food safety systems from farm to table. Everybody involved in the food supply is required to follow standard food safety procedures. You would think that everyone involved with food would not want people to get sick from it.

The Centers for Disease Control says that there are 76 million cases of food poisoning in the United States every year, 350,000 hospitalizations, and 5,000 deaths. Is that a lot or a little? Well, it depends on how you look at it.

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