July is one of the ‘hottest’ months for county fairs in California — people go hog wild. They pig-out on fair food, cheer at pig races, see blue ribbon hogs and watch adorable piglets ‘on the farm.’ At California State Fair this year they may even compete in the Guinea Pig Squeal Contest. Why do humans hold such an interest in pigs, you ask? There are number of possible answers. Here are a few: