yes, that is a film worth watching...when you feel like crying for the rest of your life...
I think this little critter might help you sleep. (or at least his lullaby)
There are enough people/countries who believe war is good way to expand their area of influence or push through their economical/national interests. You can't win a war, you may just loose less than your opponent. That should be worth teaching, even if that lesson is painful.