I can't disagree more with Endur. One of the things that was so great about B5 was that it was designed with a beginning, a middle, and an end in mind. When it was over, it was over - JMS didn't try to extend it beyond the original plan.
If you're going to vilify anyone, vilify TNT for cancelling Crusade.
If you're going to vilify anyone, vilify TNT for cancelling Crusade.