The movement of people between industry and government is a political talking point, but how big a deal is it? Research is starting to quantify the extent of the problem.
Under the surface, there are rules that govern power sharing among rival factions and keep high-ranking individuals moving up the ladder.
The average member of Congress has, over time, become more connected to his or her peers.
By analyzing variations in local and regional economies, researchers are increasingly uncovering insights obscured by the big picture.