A million years ago, when doing research about the world of municipal government, one thing that struck me is how often people's job titles changed - from one department to another, from the public to the private sector and back again. People move around a lot, everyone has her eye on some other, slightly better situation in some other corner of city hall. Plus governments are constantly shuffling and reorganizing and shuttering or condensing departments - they are often byzantine hodge-podges of fractured org charts lying atop a bed of shifting sand.