The WTO recently ruled against the US in the latest dispute over mandatory country of origin labeling (MCOOL). Their latest ruling cites work I've conducted with Glynn Tosnor, Ted Schroeder, and Mykel Taylor at Kansas State, among others (not necessarily in an uncritical light).
In any event, I was skeptical of the way the US chose to respond to the original finding that they were out of compliance with the WTO, and the latest finding seems to only reinforce those views.
Darren Hudson had a few thoughts on the issue, with which I largely agree: