Tucson environmentalist wields political muscle in land exchange battle For three decades, Bill Roe has worked to protect some of southern Arizona's great places. Now the 66-year-old Tucson resident and former lawyer is waging the biggest battle of his environmentalist life: a confrontation over federal land-exchange legislation that would clear the way for a huge new copper mine near Superior, 60 miles east of Phoenix. At stake are the thousands of jobs and billions of dollars the mine would generate for decades, with an estimated economic and fiscal impact to the state of almost $800 million a year for more than 60 years. Along with some Indian tribes and other environmentalist groups, Roe opposes the legislation sponsored by Sen. Jon Kyl and backed by the Resolution Copper Mining Co. Kyl proposes to swap 3,025 acres of Forest Service land to the company in return for private parcels around the state totaling 5,539 acres. At a Senate hearing in July, Kyl said the exchange would "preserve lands that advance the important public objectives of protecting wildlife habitat, cultural resources, the watershed and aesthetic values, while generating economic, recreation and employment opportunities for state and local residents." Roe said the deal isn't good enough....