Setting off a 15kT weapon in Times Square would cause MUCH less destruction and MANY fewer problems than Hurricane Katrina.
I won't debate that. But what about several on the same day? That's AQ's tactic. Embassy bombings (2), airplanes (4), London railway (3?).
I have read that the USSR was missing as many as 80 suitcase
nukes.
Kooks with nukes. Not good no matter how many there are.