"We are working through other means to try to build on the evidence that we already have of chemical weapons use to assert in a concrete and firm way the chain of custody, when chemical weapons were used, by whom, and the full consequences of that use, " White House spokesman Jay Carney said Monday.
The goal is to hold them accountable by having them scrutinize their supply chain practices to ensure that no filthy water is seeping into waterways somewhere in the process from chemical to laptop.