A combination photo of a Boeing 737 MAX before the opening of the 52nd Paris Air Show at Le Bourget airport near Paris, France, June 16, 2017, and shareholders line up to view Bombardier’s CS300 aircraft following their annual general meeting in Mirabel, Quebec, Canada April 29, 2016 (Reuters) A US trade commission on Friday handed an unexpected victory to Bombardier Inc against Boeing Co, in a ruling that allows the Canadian company to sell its newest jets to US airlines without heavy duties, sending Bombardier’s shares up 15 percent. The US International Trade Commission’s unanimous decision is the latest twist in US-Canadian trade relations that have been complicated by disputes over tariffs on Canadian lumber and US milk and President Donald T6rump’s desire to renegotiate or even abandon the North American Free Trade Agreement (NAFTA). Trump, who did not weigh in on the dispute personally, took his “America First” message to the world’s elite on Friday, telling a summit...