In my view, heads should roll because this latest attempt at mass murder was clearly preventable if the government had been competent. I mean: the nutjob's dad had had a meeting with the fricking CIA! If they could listen as well as they destroy evidence of war crimes, we might have avoided this.
But that doesn't mean we should give terrorists more credit, more credibility and more power over us than they deserve. Here is one of the smartest things Bill Maher has ever said on the subject, and it's worth recalling as we go through another mass conniption and as Cheney pulls another stunt in defense of his record of presiding over 9/11 and then trashing the rule of law: