Washingtonians, presumably, have already noticed that the Capitol is under increased security today. And now what had been a completely rational fit of panic is to become an official governmental pronouncement: DHS chief Michael Chertoff will announce that admin has raised the terror alert level for mass transit systems to orange. We have never wanted to move back to Nebraska more.
Metrorail is taking its own steps in the matter, including deploying "special response teams and explosive detection canine teams to conduct sweeps of Metrorail stations and trains and buses," as well as announcing that "station restrooms have been temporarily closed for security reasons."
In other words, you might still find uses for that duct tape.