Are Psychologists Prejudiced Against the Politically Conservative?

I have always admired Jonathan Haidt as a researcher, writer and person.  His character is marked by courage, compassion and common sense.  You will see these traits in his latest work on morality, the brain and political attitudes.  Have a look and a read:

http://www.newyorker.com/science/maria-konnikova/social-psychology-biased-republicans