ALAPAHA, Ga. - Residents of this small farming town gathered Saturday to celebrate Hogzilla, a 12-foot-long wild pig that was supposedly shot by a hunting guide last summer and quickly grew into a worldwide legend. The festival comes five months after the 1,000-pound hog was killed when it wandered out of swamps along the nearby Alapaha River, a haven for swine that escape pig farms and start living off the land. The prodigious porker was remembered with a hog-calling contest and a greased-pig chase, as well as a float featuring a life-size replica of Hogzilla. "Everybody is happy, smiling, excited....