Start looking for a new job in a serious way. Be prepared to move on. If HIS boss asks you why you are leaving, explain to him that you feel your chances for advancement are being limited because of your bosses failure to give credit where credit is due.
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.