(It means "cause of war", not acid stomach)

Sesh asked why Iraq, and not Al Quaeda. Victor Davis Hanson, an amazing historian, replies almost directly to this question in this extremely relevant essay "from Manhatten to Baghdad". You may not agree with it, but it'll certainly make you think about the whole thing in a different way.

Via On the Third Hand (site essential) who I will definitely be reading more often from now on.