dr. william dietz. he is the director of the division of nutrition, physical activity and obesity of the centers for disease control and prevention in atlanta. prior to his appointment as to the cdc he was a professor of pediatrics at the tufts university school of medicine, and director of clinical nutrition at the floating hospital of new england medical center -- unser, the floating hospital of new england medical centers hospitals. and for those of you who have been watching who are either at weight of the nation last week or have been watching hbo, you know he is played a really important role in all of that. so without further ado, i would like, i'd like to introduce kevin concannon. thank you. [applause] >> thank you very much, silly. i think i will stand up so i can see folks over this way more readily. it's a pleasure for me to be here with all of you, and at this conference, but of also added feature to be here with sally and with elites again. we will work together a week or so ago, way to th