FWIW, I agree completely with Joanek and Boatman.

Because I have a slight handicap, DCA has been my airport of choice. Not only accessible from the District by Metro, but in my experience, also much easier to hop a shuttle/flight to NYC/BOS than to try to struggle to get to BWI or IAD.

While the time I will spend here in DC is limited, it never ceases to amaze me that there is no direct or reliable means of public transportation to either airport.

I doubt that DCA will be closed permanently. That would only be a very shortsighted and reactionary response.