Against the odds, Coach G.'s Icecats mark 30 years in Tucson...by Irene Messina...Long before the phrase "Rio Nuevo" became part of the vernacular in the Old Pueblo, a true downtown success story was born. It was 1979 when a dreamer from Illinois arrived in Tucson with his wife, Paula, to bring collegiate ice hockey to the desert. Some people laughed, but Leo Golembiewski—or Coach G., as he is called—made his dream a reality in the form of the University of Arizona Icecats. The team draws locals downtown to the Tucson Convention Center…