You used the example of how a multilateral system gives you the ability to enforce a bilateral agreement or that bilateral agreements are sometimes enforced, especially when you've got a David and Goliath situation between Canada and the U.S. I used the example of country of origin labelling. When we had issues with pork and beef going to the U.S., Mexico and Canada were able to pair up and actually get results in that situation.
On May 11th, 2016. See this statement in context.