Mission Impossible in Syria

I live near an enormous former stockpile of weapons of mass destruction. It isn’t walking distance from my house, but I can drive there between breakfast and lunch without exceeding the speed limit.

From 1962 to 2011, the US Army stored nearly four thousand tons of VX, Sarin, and HD blister agent (commonly known as mustard gas) at the Umatilla Chemical Depot along the Columbia River two and a half hours east of Portland, Oregon.

In 1993 the US signed a treaty forbidding the production, stockpil...