Look.  Learn.  Get a fucking migraine. (Thanks for that whole separation of church & state thing, founding daddies.)  Click the image to enlarge . . .  if you dare! 

This very informative, albeit ow-my-head, chart came from a NYTimes article entitled Understanding Iran: Repression 101.  I found out about it from blogger extraordinaire Road Kill Refugee.  He tweets, I learn.