. >> we will plead again orley here for more research on the problem before we make an announcement themerican public. >> i would wait until every last shred ofvidence is in. john: politicians, as usua, sold us a bill of goods. that is one way to look at it. >> basement we are about to engage in this huge nutritional experiment. the american public is the subject and 30 years later we have gotten sicker and sicker. john: there is much more information about nutrition and not getting fat come and we are fatter >> we are more diabetic and fatter. the it can all be ixed with good science. john: you have a book called "good calories, bad calories." but i know that a calorie is a calorie. >> the reason we get that is because we take in more energy than we expected. it becomes a unit of heat. protein, fat, the different types of carbohydrates, the glucose from fructose sugar, they all have different effes. whether or not you will store calories as fat order there will not the calories come up with a hormonal effects of the food. how much energy bring to us. john: but the u.s. department of he