You're tripping over your hindsight. Obviously, the pilot could've waited until he'd blown the plane up to ask for the commandos to storm the plane, but of course if that was the SOP by then the passengers would have been scattered all over the Midwest. And I'd really rather pilots concentrate on flying the plane,…

It's not really a joke. Price is how we decide whether one way of allocating resources is better than another. The ridiculous price-tag attached to the XL-1 simply tells us that it's not a sensible allocation of resources.

Well, that's because we DRIVE on PARKways, and PARK on DRIVEways...