Subway is very serious about its low-fat, healthy fast food ad campaign. So serious that the fast food chain and one of its franchises are suing a Michigan landlord for allowing a vegetarian health food bar to open next to a Subway sandwich shop. Subway says the nearby presence of a shop that sells things like carrot juice amounts to illegal competition. The health food bar says its customers and Subway's are very different. Quinn Klinefelter of WDET reports.
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