The Globe and Mail reports in its Monday edition that Canada-U.S. trade talks are down to the wire this week as Ottawa tries to avert punitive new tariffs scheduled to be imposed by the Trump administration on Wednesday. The Globe's Marieke Walsh and Adrian Morrow write that negotiators were bargaining throughout the weekend, culminating Sunday afternoon with a virtual meeting between Canada-U.S. Trade Minister Dominic LeBlanc and U.S. Trade Representative Jamieson Greer. The two were joined by Canada's lead trade negotiator, Janice Charette. Section 232 tariffs on autos and lumber remained the biggest points of contention. According to the sources, American negotiators have opposed lowering those tariffs on lumber and proposed reducing the tariffs on autos to 15 per cent -- a number that is too high for Canada to accept. Ottawa, meanwhile, is preparing plans for retaliation if the White House makes good on its threat to slam new levies on $20-billion (U.S.) worth of Canadian goods on Wednesday. Mr. LeBlanc's office said that the minister and Ms. Charette had a constructive hour-long meeting with Mr. Greer. On forestry, the United States does not want to offer any reduction of Section 232 tariffs on the sector.