A political “agreement in principle” regarding the broad terms of a new NAFTA deal is unlikely before this week’s Summit of the Americas, following a three-way meeting of Minister Freeland, Secretary Guajardo and Ambassador Lighthizer last Friday. That would be despite a “more intensive phase of engagement” and further trilateral meetings to come. The timing is becoming critical ahead of elections (both national and regional) in all three countries, including those in 83 days time in Mexico.  Practically speaking the Mexican government may disengage sooner than that. The focus of talks r...