Here is related chapter from "The Definite Guide To Yii" - http://www.yiiframework.com/doc/guide/database.arr.
Well I think you can simplify this by using a relation 'TotalPost' => array(self::STAT,'Post','OwnerId').
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.