At some point the line will be crossed be it in the short term or the longer term. It is just a matter of when. Natures way of self levelling the advances of the human race as we have gone too far. If it isnt one idiot there will always be another to set the fireworks off.
Hopefully in the time that takes that to happen the U.S will bring out some new toys from area 51.. I`m pretty sure that missile defense systems will be on the way to make these old fashioned delivery systems pointless.. Thats what I`m hoping!