Why Moo and No Squawk? Trade negotiations between Canada and the U.S. may not end for a while yet. President Trump does not believe he has yet to achieve maximum discomfort on the part of Ottawa (or Brussels, Beijing or Geneva). And he does not believe he maximizes his side of the bargain until the other side cries uncle. His assertion that an agreement with Canada will be “totally on our terms” may have been “leaked” or been intentional, but it is typical Trump bravado and the attitude forces USTR Robert Lighthizer to be an even more brutish negotiator.  U.S. Secretary of Agriculture Sonny Perdue said that dairy is not the only agricultural dispute in negotiations with Canada, but it is the biggest one. It ca...