Dan Rather was scapegoated by the network. He was a good reporter. And if he "needed" to retire, what does that say about John McCain. It may be your opinion that he should have retired, but many who believed in honest journalism did not.
The facts were correct, the documents MAY have been falsified, but the facts of Bush's "service" were well known by those he served under and with.
And Mr. Rather has NOT retired he is still a respected TV journalist, he just went to a different network. But he WAS scapegoated. And the facts were irrefutable, might do a little a research. Research is always a good thing to do on any story one hears. So very easy to get your facts wrong.