Anyway, this is obviously going to get batted back and forth for a few days, then Hatfill will be officially cleared and go back to his job and everyone will be forced to ask the question: well, gosh, who did send those anthrax letters, anyway? Which is really why this all happening now, of course. Unneeded props are being dragged off the stage, and the scene is being set for the denouement of the anthrax saga. And the real guilty party is going to turn out to be...?
Whoever the government needs it to be. Iraqi operatives? Taliban operatives? Al-qaeda operatives? Right-wing paramilitaries angry at Leahy and Daschle for blocking Bush's judicial appointments?
Take your pick--the evidence is being manufactured as I type. However, I think the more likely scenario is a government exercise gone dreadfully wrong, like TWA 800. Otherwise, it would have already been offered as further justification for the War on [fill in the blank].