Canada-U.S. Trade Minister Dominic LeBlanc is back in Washington, D.C., for another slate of meetings as the latest U.S. tariff threat is just over two weeks away. It was unclear whether he'll meet again with his counterpart, U.S. Trade Representative Jamieson Greer. Advertisement AdvertisementAdvertisement AdvertisementLeBlanc is also expected to meet and debrief in D.C. with Canada's negotiating team, including chief trade negotiator Janice Charette. Greer told CBC News the tariffs were "very tailored" in response to Canadian trade actions that affect the U.S. alcohol, dairy and auto sectors. Last week, two major unions wrote to Greer, calling on the administration to hold off on the 50 per cent levies.