Mark Carney has demonstrated that a moderate response to Donald Trump need not be politically ruinous. Now Canada’s prime minister has two weeks to pull off something much harder https://www.economist.com/leaders/2026/08/25/mark-carney-must-beware-an-all-out-trade-war?taid=6a8ee8090d0911000186e9c5&utm_campaign=trueanthem&utm_medium=social&utm_source=twitter