necessarily heart healthy. and a lot of the studies that suggested that the low fat diets didn't improve heart outcomes was because people substituted saturated fat for carbohydrate. we know that's not good. i think what is important to the take home message is not all fats are bad. you want to have polyunsaturated fats, you want to have monounsaturated fats. those are good. the bad fats are the trans fats. saturated fats probably go in the middle. if it is me and i have a choice between a whole milk, you know, full glass of whole milk versus low fat or skim, i'm going to take the low fat or skim because i get less calories, still get the nutritional value and less saturated fat. to me, the history -- the literature bears up that saturated fat might be more a risk factor for cardiovascular disease. there are people out there who say that's not true. >> so the last time the usda was updating the dietary guidelines, it had 2,000 public comments. 2,000. this time they got nearly 30,000 public comments this time around. so you add to the outcry from