[grey_whiskers]

As FReeper VanShuyten said on another thread,

What a series of events. Firemen put water on a small fire, which then reacts with calcium carbide to make acetylene, which explodes, setting off ammonium nitrate which then scatters cyanide.

To which I replied:

My God -- you've just given an EXACT description of Obama's Middle East foreign policy!!

[TigerLikesRooster]

I saw that, too. An apt description.:-)