As you might guess, states with more developable dirt, lower home prices leading to more affordable mortgages, more married people, and more babies are more likely to vote Republican. Conversely, states with limited developable land leading to higher home prices leading to less affordable mortgages, tend to have fewer people married and fewer children, and they vote Democratic.
He uses these findings to argue that Republicans should attempt to cut off illegal immigration as it causes places where the illegals settle to become more Democratic. Go see his reasoning, it is interesting.
