Democrat Ruben Gallego says he's ready for a Clean Elections debate against his rival in the US Senate race, but Republican Karl Lake has been hesitant to agree.
Among them: Reliability of computer modeling, quality of enforcement, potential for fine particles to damage kids' lungs, and concerns about lead and sulfur emissions and a sulfuric acid plant at the mine south of Tucson.
A 46-year-old man was killed and two other men were wounded in an early morning shooting Friday near North Stone Avenue and West Speedway, Tucson police say.