To be able to run php scripts in a command line (without telling explicitly it should be run with php) you'll need to ensure it have executable bit set and have! /usr/bin/php as the first line in file. In your case it's probably better to add usr/bin/php (or wherever your php is located) in from of your script name in crontab.
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.