Why are the Berkshires in Mass so liberal?

[All Along The Watchtower]

A cold climate does seem to have an liberalizing effect on white people

generally true but L.A. is pretty liberal.

Are there any non-Hispanic, non-gay, non-Jew, run of the mill white people there? A large enough population to make any sort of generalization anyway?

There was, and they either voted Republican or were generally conservative working-class and middle-class Democrats.