Data source itself is a request scope bean. It is bad idea to keep it as property, I would suggest that your bean's methods accept data source as parameter. Another approach would be to keep String value of data source name, and get it via JSF binding.
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.