If your main site is localhost:80 i.e. Localhost, even if your calling script is at :8080 it won't work. It uses the domain/port of the HTML not the external JS files.
The reason the callback=? Might work is because its adding a script element to the page. The important thing is that the JSON on the server supports a callback.
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.