Rather Talks of Questions On Papers Controversy About Bush and Guard 'Not About Me' By Howard Kurtz Washington Post Staff Writer Thursday, September 16, 2004; Page A01 CBS anchor Dan Rather acknowledged for the first time yesterday that there are serious questions about the authenticity of the documents he used to question President Bush's National Guard record last week on "60 Minutes." "If the documents are not what we were led to believe, I'd like to break that story," Rather said in an interview last night. "Any time I'm wrong, I want to be right out front and say, 'Folks,...