WINDOW ROCK, Ariz. (AP) - The Navajo Nation has outlawed uranium mining and processing on its reservation, which sprawls across parts of Arizona, New Mexico and Utah and contains one of the world's largest deposits of uranium ore. Tribal President Joe Shirley Jr. must give the bill final approval. His spokesman said Thursday that Shirley "strongly" supports it. Mining companies began blasting holes on the reservation, which covers 27,000 square miles, in the 1940s and continued for nearly 40 years until decreased demand closed the operations. By then, the Navajos were left with radiation sickness, contaminated tailings and abandoned mines....