This approach works fine for us (iTextSharp 5.3.3). We use smart-card and USB-token (vendor - www.author.kiev.ua ).
The above excellent example from Sasha works with GlobalSign cert for Adobe PDF keyfobs! I wish I had enough reputation to vote it up... more than once.
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.