I have done a similar thing for CellTable. So maybe SOMETHING like this will work. You need to provide your own render() method.
So in the render() method below, you can add whatever you want.
A GWT book I'm reading has an example of this, except the author uses a vertical panel with checkboxes in the panel. With a little styling, you have a listbox look.
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.