This summary of Dan Rather's "defense" of the original 60 Minutes II story will leave you shaking your head, disgusted, and probably angry.
Also, RatherBiased.com is a great site, full of hard information. As a bonus, if you like editorial cartoons poking fun at Rather and CBS (it's not really "poking fun;" I think of it as speaking truth to power in an amusing way), go visit. The CBS logo above is one example. Here's another:
YET ANOTHER UPDATE: If you're interested in some thoughtful speculation about who is CBS's source, WizBang has some well-developed ideas.