Last year, Mom’s Organic Market founder and chief executive Scott Nash did something many of us are afraid to do: He ate a cup of yogurt months after its expiration date. Then tortillas a year past their expiration date. “I mean, I ate heavy cream I think 10 weeks past date,” Nash said, “and then meat sometimes a good month past its date. It didn’t smell bad. Rinse it off, good to go.” It was all part of his year-long experiment to test the limits of food that had passed its expiration date. In the video above, we interviewed Nash...