We're certainly seeing a projection of power by non-state actors never really seem before in history. In looking at the number of open terrorism cases by the FBI, Scotland Yard, etc. (as were noted after the UK Doctor Bombers episode), there is no doubt about the certainty of activity by cells at work.

In another thread here on SWJ, the question was brought up about "what if they (the terrorists) were more compentent?" And that goes right along with much of the analyses we see from various think tanks around the world. If they were more competent, imagine the destruction we might see?

My question--which I'm sure I'm not alone--why haven't we seen more competent attacks? The recipe has been supplied many times over by the Washington Post, New York Times, RAND, Brookings Institute, etc. What is the limiting factor that keeps these cells from wreaking the kind of havoc that journalists, pundits, and experts keep telling us about?