From the article..
Moussaoui's court-appointed lawyers told the court they filed the motion even though a federal rule "prohibits a defendant from withdrawing a guilty plea after imposition of sentence." They did so anyway because of their "problematic relationship with Moussaoui" and the fact that new lawyers have yet to be appointed to replace them.
Looks like he's scr@wed the pooch as long as all the libs don't rally for his cause.
That's called:
The lawyer has to do pretty much what the client says, but doesn't have to be a fool about it.