Those who speak of harmony and consensus should beware of what one might call the industrial chaplain view of reality. The idea, roughly speaking, is that there are greedy bosses on one side and belligerent workers on the other, while in the middle, as the very incarnation of reason, equity and moderation, stands the decent, soft-spoken, liberal-minded chaplain who tries selflessly to bring the two warring parties together. But why should the middle always be the most sensible place to stand? Why do we tend to see ourselves as in the middle and other people as on the extremes? [...]