An excellent exploration of the art of understatement: The derivation of the model also seems rather ad hoc in nature (fitting a power law to the assumption of

An excellent exploration of the art of understatement: The derivation of the model also seems rather ad hoc in nature (fitting a power law to the assumption of a 99% intensity at Tora Bora and a 1% intensity at Washington DC). Yep, that sounds pretty arbitrary! (I'd also be amazed if it was only 99 times less likely for him to be in Washington DC than Tora Bora...)