Every ten years, the borders of congressional and state legislative districts are redrawn. Because elected officials create the new borders in most states, the maps are oftentimes redrawn to benefit the political party in power. This means that voters aren't represented fairly -- elected officials choose their voters, instead of voters choosing their elected officials.
This report shows how reform in California and Arizona improved the redistricting process to increase transparency and fairness. The impact of these changes are discussed.