EVERY WINTER, Arizona goes off. During the months of mid-October through mid-April the Phoenix area gets raped and pillaged by skaters from all over the country. Some make semi-permanent moves from the Midwest, and countless others make short trips from Southern California. It really makes sense: The Midwesterners escape the cold and snow; the Californians escape sitting in traffic only to get repeatedly booted from blown out spots. But like all good things, it must come to an end--by the end of April the Phoenix spots start to feel blown out too, and the daytime temperatures are getting unbearable. Each year about this time, Cowtown skateboards hosts the Phoenix Am contest. ...