Yes, both National & Dulles airports are closed as of 1:30 pm EST. The
prognosis isn't good for them opening up anytime soon. It is just too
early to tell about how the conference will be modified.
My recommendation is just to get there on the first available flight.
Doug Brooks
++ Doug Brooks ++ Internet Address: ++
++ U.S. Army Corps of Engineers ++ brooks@cecer.army.mil ++
++ Champaign, IL ++ Phone: (217) 373-4433 ++