Al Jazeera's John Hendren looks into Arizona's shrinking water supplies and how that issue is of great concern to many of Arizona's fast growing voting base. #Arizona #WaterCrisis #ColoradoRiver #USMidterms #Phoenix #Drought #WaterShortage #USPolitics #AlJazeeraEnglish. PHOENIX, Oct 1 (Reuters) - On Phoenix campaign signs, Arizona-wide TV ads and in debates for key US House races, one issue has bubbled to the top of politics in this drought-hit state: Water..