Actually the class defined in your DAL should be the one used in your business layer - those are your real domain objects. Classes exposed from your business layer are just data transfer objects so if you want to build any convention you should imho rename your data contracts.
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.