Americans bought 50 percent more Greek yogurt in 2012 than they did in 2011, to the tune of $1.6 million. A staple of the Mediterranean kitchen, rich and creamy strained yogurt has taken over supermarket shelves here. Greek yogurt is calciumrich, full of healthy probiotics, and arguably healthier than traditional yogurt, boasting - Double the protein - Half the carbohydrates - Less lactose, and - Less salt Great on its own, Greek yogurt really shows...