An Insight into political, and other, extremism.

This article from the latest issue of The Spectator does not take political sides but describes how people become extremists very well. It appears the antidote may be to seek to spend time with people who disagree with your entrenched views...
http://www.spectator.co.uk/the-magazine ... with.thtml
http://www.spectator.co.uk/the-magazine ... with.thtml
To become an extremist, hang around with people you agree with.