No more Mr. Nice Canada. Time for us to break global trade rules, too

Open this photo in gallery: A ship is seen docked at Global Container Terminals Inc.’s Vanterm facility at the Port of Vancouver on Oct. 21, 2024.JESSE WINTER /The Globe and Mail Mark Lawson was chief of staff to Ontario's minister of economic development and trade, deputy chief of staff to the premier and chief of staff to the finance minister. Over the past month, tariffs have been threatened, applied, paused and removed and now simply loom in the future for Canadian goods entering the United States. For Canadian exporters, it is not clear how long this situation will last. This…