Re:
Yup. My guess is that the anthrax tale will turn out to be be domestic bastards. Maybe supplied via some bad guy external govt.
Nonetheless, I hope we get those responsible ASAP. It's equally a matter of national defense.
And yes we did evacuate the capital as you cited. In this case, it's interesting that Daschle's leadership and example kept the Senate calm and orderly while the House ran like rats. :)