Check out Liferay's Inter-portlet communication (IPC). Here's a link that describes the IPC (via examples) http://wiki.java.net/bin/view/Portlet/JSR168FAQ#How_do_I_achieve_inter_portlet_c.
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.