Found a very interesting read here.
http://motherjones.com/politics/2011/03/denial-science-chris-mooney
http://motherjones.com/politics/2011/03/denial-science-chris-mooney
Article said:Given the power of our prior beliefs to skew how we respond to new information, one thing is becoming clear: If you want someone to accept new evidence, make sure to present it to them in a context that doesn't trigger a defensive, emotional reaction.