Canada and the United States showed scant sign on Thursday of closing a deal to revamp NAFTA, and Canadian officials made clear Washington needed to withdraw a threat of possible autos tariffs, sources said. The administration of U.S. President Donald Trump wants to be able to agree a text of the three-nation North American Free Trade Agreement by the end of September, but major differences remain. “We discussed some tough issues today,” Canadian Foreign Minister Chrystia Freeland told reporters after meeting with U.S. Trade Representative Robert Lighthizer. Freeland, who has visited Washington four weeks in a row to ... (full story)