The delegates have even been told what to wear (national dress), what to eat (no junk food) and when to shower (not late at night).

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But ultimately we are the ones who decide what to buy, what to eat and how much to eat, and that's a very powerful thing when we walk into the grocery store.

CNN: Our obsession with sugar, salt and fat

Peggy Lee has been administering school lunch programs long enough to remember the days when ladies in hair nets and stockings didn't ask you what you wanted to eat.

NPR: Nutrition, Business At Odds in U.S. School Cafeterias

Click here to be directed to the infographics on when, where, what, and with who people eat.

FORBES: We Eat Less Healthy Than We Think [Infographic]

And as difficult as it is to try and keep up what I try to do on the road, like occasionally exercise and try to eat right -- it's tough when the easiest food is pizza -- I just believe so strongly in who we are as a nation.

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