Suppose we throw the concept of a Sundown Town (http://en.wikipedia.org/wiki/Sundown_town http://en.wikipedia.org/wiki/Sundown_town) into the mix. It seems rea

Suppose we throw the concept of a Sundown Town (http://en.wikipedia.org/wiki/Sundown_town http://en.wikipedia.org/wiki/Sundown_town) into the mix. It seems reasonable to me that laws or policies that favor people who have been residents of a town for a longer period of time could be used to preserve Sundown Towns. It's fairly easy to see how these policies would benefit those who seek de facto segregation.