Forgery Charges Could Damage CBS Credibility.

Assesses the potential damage to CBS's news credibility if documents related to U.S. President George W. Bush's military service that were used in story by anchorman Dan Rather are proven to be forgeries. Questions raised about the authenticity of the documents; Assurance from CBS that an internal investigation is not needed; Potential impact of a forgery to "60 Minutes," which is perceived as the gold standard in news reporting in America; Assessment of broadcast news at all networks, suggesting a changing nature in how news is presented and covered; Ratings for the Republican National Convention, indicating the cable channel Fox News Channel beat the three major broadcast networks.