TOMBSTONE - The folks in Tombstone love to find reasons for a party, so it comes as no surprise that the birthday of one of its adopted sons, Emmett Kelly Jr., is cause for three days of celebration this weekend. Kelly turns 80 on Friday, and the celebration begins at noon with a hot dog and beer party at Helldorado Town, down at the end of Fourth Street. A full lineup of events will run until midnight, and the public is invited to participate in most of them. After 44 years of entertaining others, the former clown deserves to be...