Canada did. The most obvious forum internationally is the World Trade Organization. And Canada has joined as a third party, as I'm sure you're aware. The U.S. complained against China. The U.S. itself identifies China and Russia as its top priorities and almost a dozen other countries. So Canada has played a role internationally, most recently in the last couple of weeks, in trying to pursue that line.
On May 2nd, 2007. See this statement in context.