I'm not sure I really care about the details of how his service ended -- whether it was from the 200k troops statement, or clashes over the brand of toilet paper at the Pentagon.
Shinseki's statement to Congress could not have been more public and hi-profile, nor could the Rumsfeld/Wolfowitz slapdown shortly thereafter.
Shinseki, it turns out, was right. Where's the "myth" to that?