About the mobile labs:
] Powell said the evidence included firsthand accounts from
] four sources -- among them, an Iraqi chemical engineer
] who supervised one of the facilities and an Iraqi civil
] engineer "in a position to know the details of the
] program."

I remember watching Powell's speech live. I didn't find all of it particularly compelling at the time -- I had other reasons to believe that Iraq was systematically refusing to disarm. One thing I *did* find interesting, but that isn't mentioned in this article, is that Powell also showed a video of an Iraqi aircraft that had a special attachment that was spraying some type of gas.

The bit about the mobile labs though still puzzles me. I have a lot of respect for Powell, and if he says that there were four sources, I believe that there were four sources. So there were four different Iraqis who all agreed that this mobile lab was producing chemical weapons. Was it an urban legend within Iraq? Was it a conspiracy to lie to the U.S. in order to get sanctuary? Or was the lab a dual-use facility, that could easily be flip-flopped back and forth from WMD to garden supplies?

I'd very much like to learn more about those four sources, and whether they said the lab *could* be used for making weapons, or whether it *was* being used for making weapons. And if the latter, then where were those chemicals shipped to, and who paid for them?