Food marketers are pulling a page from fast-food menus and touting dollar deals to promote their products.  As cash-strapped consumers face escalating food prices, Wal-Mart (WMT), Kraft (KFT), Unilever and Campbell (CPB) are using the magical $1 price to tap into the trend of people eating and cooking more at home.  "It seems like that's the definition of value," says Tom Vierhile, research director with Datamonitor, which tracks marketing and consumer products. "You have a whole segment of retail built around it. And it has a ring to it."
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