What makes state and regional fairs so popular? Some people go for the tractor pull, others go to be entertained by the gospel sing, and still others are attracted by barrel carcass judging. I, on the other hand, go for the food. Despite its humble origins, fair food can be far from average. In fact, many classic American foods have their origin at the circus or the fair. For example, pink lemonade - according to legend - was accidentally invented by a circus clown-turned-drink-purveyor who made