Governor Arne Carlson has a little more than a month left in his term, and already tributes to his thirty years in public office are under way. The first took place in Minneapolis last night NARRATION: It wasn't a "retirement party"; it was a "salute" -- a salute featuring more than twelve hundred Carlson fans and kicked off by the University of Minnesota Marching Band. It was, for Governor Carlson, a chance to reflect on his term in office and wha