Dan Rather has apparently been told to keep his mouth shut when he leaves his anchor post on March 9, according to reporter Joe Hagan, writing in the Feb. 23 issue of the New York Observer. CBS sources told Hagan that the disgraced anchor has been officially muzzled. On March 9, when he steps down as anchor of the "CBS Evening News," Hagan wrote, "he will be limited to seven controlled interviews with the press to avoid questions about the [Rathergate] scandal." In a blockbuster story Hagan revealed that a mere five days after setting up an independent panel to...