Food & DrinkWhey! The Downside to the Greek Yogurt ExplosionBy Bryan Gruley on January 31, 2013 http://www.businessweek.com/articles/2013-01-31/whey-the-downside-to-the-greek-yogurt-explosion#r=nav-r-story You know the verse: Little Miss Muffet, sat on a tuffet, eating of curds and whey. … But you never really knew what whey was, did you? Whey is the watery byproduct of cheese, yogurt, and other..