War.........why?

Arlington Memorial Cemetery
Originally uploaded by footloose82.

why do we fight? what for? how much of land do one need for his grave? Isn't that enough? Then why?
Why don't I think that the person I am killing also, like me,is someone's son, someone's brother, someone' husband or someone's father. Life is too precious to waste like that.
Who is our enemy?.....I think it's war.