The problem you're seeing is because the web service does not return any details about the exception to the silverlight client whenever any exception occurs. It just returns a 404 not found status as the result and hence you always get the exception "Not Found".
If you happen to be using WCF web services, you might try turning on WCF Tracing in your web. Config file.
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.