Lawmakers in southern Arizona are renewing calls to the federal government to help clean up contaminated water in Tucson. After a tumultuous–and longer than expected summer, the Phoenix Suns are back to start another season hosting the Mavericks, the very team that forced a bitter end to their playoff run in May. And how are Democrat Katie Hobbs and Republican Kari Lake shoring up support among the voters who should be easiest for them to win? Plus the latest education, metro Phoenix and science news.