By David Baxter and Kyle Duggan Ontario and Saskatchewan remained at odds over Canada’s response to U.S. President Donald Trump’s escalating trade war Wednesday as the premiers prepared to meet with the prime minister to talk trade. Prime Minister Mark Carney was holding virtual meetings in private with his cabinet and the premiers Wednesday afternoon, less than a week after Trump ramped up his trade assault on Canada with a baseline 35 per cent tariff. The new tariff applies only to goods not covered by the Canada-United States-Mexico agreement on free trade, better known as CUSMA. The latest levy took effect on Friday after the two countries failed to hit an Aug. 1 deadline to secure a new trade agreement. Before meeting with Carney, Ontario Premier Doug Ford said he…