Once You Start Smoking...

...it's really tough to stop. This apparently goes for guns as well as people:

Fox News reports that the Defense Department has confirmed that the shell that partially exploded by the roadside yesterday contained four liters of sarin -- enough to kill thousands of people under the right conditions. The discovery indicates that more such shells will come to light

Captain Ed made a good point yesterday, when the story broke:

[Citing a BBC report]

However, a senior coalition source has told the BBC the round does not signal the discovery of weapons of mass destruction or the escalation of insurgent activity. He said the round dated back to the Iran-Iraq war and coalition officials were not sure whether the fighters even knew what it contained.

If ignorance was at play here, then it means that the shell was plundered from a weapons cache somewhere, probably local to that area.

I don't think it will be too much longer now before we find a whole bunch of these.