You go to manage pages and then select the page you want to hide and then select 'permissions'. You can define permissions per role there.
You can hide portlet by changing the permissions in Configuration (accesible from portlet header menu).
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.