突发！6名共和党人倒戈支持终止对加拿大关税，中期选举要变天？

Group 1 - The Trump administration's tariff and trade policies are facing renewed uncertainty, with discussions about potentially withdrawing from the USMCA [1][2] - The US House of Representatives voted to overturn Trump's tariff policy on Canada, marking a significant blow to his economic agenda [1][7] - The USMCA, which replaced NAFTA, is crucial for North American trade, and a US exit could have severe repercussions on the integrated value chain [1][6] Group 2 - Negotiations are expected to occur separately with Mexico and Canada, with the US Trade Representative indicating that discussions with Canada are more challenging [3][5] - The USMCA is set for a mandatory review before its expiration on July 1, and this review has evolved into intense negotiations, with Trump demanding more concessions [3][5] - If a solution that incorporates industry stakeholders' opinions is reached, the agreement could be extended for another 16 years; otherwise, a 10-year annual review process will commence [5] Group 3 - The House's decision to challenge Trump's tariffs reflects growing dissatisfaction among Republican lawmakers, especially with midterm elections approaching [7][8] - Polls indicate that a majority of Americans oppose Trump's tariff increases, including a significant portion of Republican voters [8] - The Supreme Court is expected to rule on the legality of Trump's tariff policies in the coming months, which could further impact the political landscape [9]