Often, it does seem like we need a war to support our economy and fuel the millitary-industrial complex, and I'm not sure the international infarctions of the last 30-40 yrs. are filling-the-bill.
When a serious threat to our existance seems to fade, we continue building larger and larger "intelligence" agencies, evidence our policies after the fall of the Soviet Union. Instead of downsizing our spy industry, we simply turned it inward and use it to keep an eye on our own population.
Yesterday, cable news was reporting on the 10's of thousands of "Homieland Security" offices created nation-wide. We're installing video camera's in every public place, maybe a few not-so-public and traffic intersections,etc., yet a half-wit, rag-head can still walk on a plane in try to set his shoe on fire.