President Obama has proposed replacing the regular consumer price index, or CPI, to adjust Social Security benefits with the chained CPI -- often called the cat food CPI because the index assumes that when the price of human food rises, seniors can substitute cheaper food to get the same nutrition.

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Quite literally: death is a substitute for having no food.

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And tinkering with food oils is no substitute for heart-protecting drugs or sweeping changes in diet.

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Beckham's industry and quality after coming on as a half-time substitute for Aaron Lennon may also have provided Capello with food for thought as he weighs up his options ahead of Wednesday's Wembley meeting with Ukraine.

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Nevertheless, the food industry is abuzz with talk about producers preparing various low-carb products to substitute for items on the Atkins blacklist.

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