Elston Stephenson, safety manager at Grand Canyon National Park, says thousands were unknowingly exposed to unsafe radiation for nearly two decades.
Author: Dennis Wagner, Arizona Republic
Navajo Code Talker Alfred K. Newman, among the last of the World War II heroes, has died
Alfred K. Newmanwas among 400 Navajos who helped defeat the Japanese during World War II by developing an unbreakable code using the Dinelanguage.