The United States on Friday imposed new forced-labor tariffs of 10% and 12.5% on Canadian goods, replacing expiring temporary duties and marking the first move to rebuild President Donald Trump’s tariff wall after the Supreme Court struck down his reciprocal tariffs earlier this year. The tariffs, targeting 60 trading partners, hit Canada alongside the EU and China, even as Ottawa braces for 50% duties on Canadian exports set to take effect August 19. Prime Minister...