Capitol Assets: Mapping the earmarks | Public projects, private interests
Mad Money: Tracking campaign ads
Campaign Finance Explorer
Presidential debate analysis
Debt-limit game: You choose who gets paid (and who doesn't)
U.S. Open graphics: Hole-by-hole | How the course has played
Washington Post Investigation: HUD's funding losses
NCAA Tournament Brackets and History
Weight of the world
Breaking down the State of the Union
Congress Votes Database redesign
Europe's financial contagion
Washington Post Investigation: The Hidden Life of Guns