Driving up the curvy dirt road of Cook Pigs Ranch, we approached an orange cone that we had to skirt around before reaching the house of Krystina and Mike Cook who run this ranch in the hills of Julian, California. The most gigantic pig I had ever seen was laying beside it.    "Oh no, this one must've gotten out," Matt said, but we learned that this pig, "Granny", is the only pig allowed to roam anywhere  she wants because she never really walks more than 50 feet to get some water and eat a bunch of avocados. She is…