Update: The metaphor gathers steam following this Wahhabi (Arab News) headline.
Update: They just keep on coming. This one is from the Guardian
Volcanic ash--why it's bad for planesOo, oo, pick me (raises arm and waves it frantically so as to attract teacher's attention). Is it for the same reason that a jihadi with a plastic bomb strapped to his undercarriage is 'bad for planes'?
Update: Anderson Cooper's contribution:
How volcanos can change the worldYou can say that again, Coop.
Update: From CNN International:
No end to volcanic ash in sight
Update: This one's so totally the NYT:
Experts Seek Clues to How Long Eruption Will Go OnUpdate: Volcanic Ash Won't Give Europe a Break