Will Donald Trump become the unlikely saviour of world trade?

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Open this photo in gallery: FILE - Traditional Russian wooden dolls called Matryoshka depicting China's President Xi Jinping, U.S. President-elect Donald Trump and Russian President Vladimir Putin are displayed for sale at a souvenir shop in St. Petersburg, Russia on Nov. 21, 2024. (AP Photo/Dmitri Lovetsky, File)Dmitri Lovetsky/The Associated Press Wolfgang Alschner is an associate professor at the common law section of the University of Ottawa. He holds the Hyman Soloway Chair in business and trade law. A month into his U.S. presidency, Donald Trump has broken most rules of the global trading system. He has imposed a 25-per-cent tariff...