If suddenly trans fats were declared to be a healthful food additive that helped prevent cancer, the price of french fries would soar until potato production was ramped up.

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Wendy's then turned its attention to French fries, switching from a mixture of potato varieties to only Russet potatoes, sliced with the skin still on, and sprinkled with sea salt.

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According to the Potato Processors'Association, sales of French fries have fallen over the past year by 10 percent, the largest single drop in the last fifty years.

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"In the school cafeteria you could buy soda, potato chips, snack cakes, corndogs, French fries, apple turnovers, ice cream --you know, carnival food, " she said.

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