Fast food is on the verge of a crisis — and not every chain will survive

The restaurant industry is engaging in a "turf battle" as fears over store closures increase.  Rising labor costs, changing millennial tastes, and too many choices means the industry is more competitive than ever before.  "It's kind of like treading water and fearing something bad will happen," one industry expert told Business Insider.    As the restaurant industry gets increasingly competitive, fears are mounting that a fast-food apocalypse is nigh.  "It's kind of like treading...