Trump doesn't hold all the cards on international trade

Open this photo in gallery: U.S. President Donald Trump recently announced another round of tariffs, including 30-per-cent levies on goods from the European Union.Nathan Howard/Reuters Andrei Sulzenko was a principal negotiator of the original Canada-U.S. Free Trade Agreement. As U.S. President Donald Trump pushes yet again for trade concessions from myriad partners, including Canada, his so-called leverage is actually a lot less than he likes to think. The hard reality of looming financial-market censure is, if anything, now heightened compared to the gyrations following the initial tariff shock in April of this year. Current highs in the U.S. stock market…