Savon is specifically a soap client, hence the need for a wsdl . Although soap is expressed in xml and wsdl is part xsd, the oposite is not true, as schema is not a web service definition. Long and short, you are out of luck there, Savon will be of no use.
No matter how much you try and hack at it, you're beating a dead horse.
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.