If you login through your browser using the Facebook JavaScript SDK the users session data is held within the browser. As result your Rails code is unaware of the change in the users state. So you have to explicitly pass valid current user session data back to your server from which you can maintain a valid session server side as well.
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.