Per Schneier's point, focusing on "threat scenarios" is useless if you have a diffuse threat and unlimited targets. As an aside, try to look at the history of

Per Schneier's point, focusing on "threat scenarios" is useless if you have a diffuse threat and unlimited targets. As an aside, try to look at the history of the definition of terrorism: http://en.wikipedia.org/wiki/Definition_of_terrorism http://en.wikipedia.org/wiki/Definition_of_terrorism . It's quite difficult to find an all-encompasing term that does not include the US or her allies.