Yes, and the latest round of terrorists seem to be incapable of detonating anything. You think they're just incompetent, or they've figured out that the damage

Yes, and the latest round of terrorists seem to be incapable of detonating anything. You think they're just incompetent, or they've figured out that the damage inflicted is greater with an unsuccessful attempt that generates a flurry of new TSA procedures than with a successful one that just gets attributed to mechanical failure?