Canada has just completed a Comprehensive Economic and Trade Agreement (CETA) with Europe, which beckons how it can inform negotiators meeting this week in Brussels on a Transatlantic Trade and Investment Partnership (TTIP). To begin, it is important to hear Canadian lead negotiator Pierre Marc Johnson's characterization of CETA. He said the two sides agreed on the principle of free trade and then proceeded to negotiate "300 pages of exceptions."GIs: Canadian enforcement of European Geographic Indicators was very important for Brussels, and the compromise was to grandfather existing Canadian food makers while making any newcomers adopt language such as "Feta made in Canada."Supply Management: The trade-off was between two defensive intere...