Now, wait a minute, I thought we weren't going in for oil....
I check Guerrilla News for the occasional gems of editorialism (no, I don't consider their "articles" to be anything but), and this is one of those:
http://www.guerrillanews.com/war_on_terrorism/doc1085.html
It is just an editorial fabricated from facts that only implicate, so don't take it as Truth, only supposition. But it is a good argument.