Marcie Sillman talks with food writer David Sax about the evolution of food trends in North America. Sax has written the book, "The Tastemakers: Why We're Crazy for Cupcakes but Fed Up with Fondue," which answers such questions as: Why are kale salads on every restaurant menu? And why has bacon moved from a breakfast item to become part of every meal, even dessert?
The Tastemakers: Why Some Foods Trend And Others Don't
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David Sax' book "Tastemakers."