Conversation so far:
What is Dan Rather's connection to the Killian documents?
Dan Rather reported that a series of memos critical of President George W. Bush had been in the personal files of Lt. Col. Jerry B. Killian.
What were the Killian documents Dan Rather reported about?
A series of memos critical of President George W. Bush's Texas Air National Guard service record.
What was in the Killian files which Dan Rather reported about?
The documents claimed that Bush had disobeyed orders while in the Guard, and that undue influence had been exerted on Bush's behalf to improve his record.
Were there other things in the Killian files besides critical memos of President Bush?
A note of a telephone conversation with Bush in which Bush sought to be excused from drill.
What happened after Dan Rather reported on the Killian files?
Dan Rather left the anchor desk.

Question: Was their authenticity ever confirmed?
Self-contained rewrite: Was the Killian files authenticity ever confirmed?