From ‘Fortress North America’ to all-out trade war: How U.S.-Canada talks collapsed

New York Times: The Canadians also pressed the United States for a level of certainty that the deal would not be scrapped overnight by the Trump administration. But the United States maintained that it would retain the power to change tariff policy against Canada at any time, irrespective of the agreement, officials said. Mr. Carney would say in his seething Saturday address to Canadians: Sometimes, the United States signature is “written in pencil.”…