EXC_BAD_ACCESS usually means you're trying to use a variable that has been released. If the crash happens where you indicated its either the array or the object stored in the array. You can try adding more NSLogs before the crash, but as Nick suggested, the debugger is your friend.
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.