Limerick/War

Ok, I wasn't going to post this, but what the heck... Pharyngula's nice light fluffy topic of the morning is, sorta, whether war is part of the nature of humankind, and whether we can conceivably put an end to it.

Well you ask "What's the purpose of war--
All the bombs, and the bullets, and gore?"
Though we all know it's wrong
We've been at it so long
We've forgotten just what it is for.

One answer that's there on the table,
Though I'm fully aware that it's fable:
As descendents of Cain
We make war, in the main,
Just because we can't stop--we're not Abel.

Or, perhaps, it is all in our genes,
Although no one knows quite what that means
Is the dominant trait
Disposition to hate,
Or a fondness for noisy machines?

Are we programmed for war in our head?
Is it just that we're easily led?
I think we should strive
To find out, while alive,
Cos it's surely too late once we're dead.

Can we change predilection for fighting
For something else, just as exciting?
The next border dispute,
Try an alternate route--
Say, competitive limerick writing!

Any comments not in limerick form will, of course, be deleted!!!