What's going on in Washington DC, and what does it mean for people with Parkinson's?
Washington, D.C.
WASHINGTON DC - Washington, District of Columbia
Why Is it Called Washington, DC? | Sporcle Blog
THE USA WASHINGTON, DC. is the capital of the United States DC = District of Columbia (which means that Washington is not a part of any of the 50 states!) - ppt download
National Guard leaving US Capitol on Sunday | CNN Politics