NEWSDAY EDITORIALIZES ON GUNWALKER: Shine a light on gun operation. “The probe into Operation Fast and Furious, a bungled investigation of gunrunning to Mexico from Arizona that may have contributed to the death of a U.S. Border Patrol agent, is revealing what’s seems more and more like a cover-up by the Bureau of Alcohol, Tobacco, Firearms and Explosives. . . . Holder has failed to answer the key question — what did the DEA and FBI know and when did they know it?”