Since you're printing it back to the user, you need to escape any HTML content.
Have you looked at the filter functions e. G http://www.php.net/manual/en/function.filter-var.php.
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.