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Is it too old to eat? 'Salvage' stores specialize in selling expired food

“Salvage” supermarkets have sprung up, openly selling foods past their expiration dates. A study found that up to 40 percent of food produced in the U.S. goes to waste because of confusion over labels. NBC’s Kevin Tibbles reports.

“Salvage” supermarkets have sprung up, openly selling foods past their expiration dates. A study found that up to 40 percent of food produced in the U.S. goes to waste because of confusion over labels. NBC’s Kevin Tibbles reports.