"He’s not excusing Loughner, just describing what an isolated lifestyle in Arizona can do to people."

"The state ranks 48th among places where 'people trade favors with neighbors' and 45th among places where people eat dinner with their families.... The murders make Arizonans wonder if they’re leading mean, unexamined lives.... Isolation is slowly ruining Arizona, and ruining the rest of the country at a slower pace."

Link.