判违法就换招，特朗普关税“B计划”能否破局？

Core Viewpoint - The U.S. Supreme Court's ruling overturns the Trump administration's authority to impose large-scale tariffs, marking a significant setback for Trump's trade agenda and raising questions about the future of his tariff strategies [1][2][3]. Group 1: Supreme Court Ruling - The Supreme Court ruled on February 20, 2026, that the International Emergency Economic Powers Act does not authorize the president to impose large-scale tariffs, deeming Trump's actions illegal [2][3]. - The ruling was authored by Chief Justice Roberts and received support from both liberal and conservative justices, including those appointed by Trump himself, highlighting the unexpected nature of the judicial defeat [3]. Group 2: Trump's Response and Future Actions - Following the ruling, Trump signed an executive order to halt tariffs imposed under the International Emergency Economic Powers Act, indicating a shift in his legal strategy [4]. - Trump announced a new global tariff of 10% on all countries, invoking the Trade Act's Section 122, and later increased it to 15%, demonstrating his intent to continue the tariff battle using different legal grounds [6][10]. Group 3: Economic and Political Implications - The Supreme Court's decision is expected to complicate Trump's ability to use tariffs as leverage in trade negotiations, as it requires congressional approval for significant tariff changes [2][10]. - The ongoing tariff war has led to significant economic consequences, including rising domestic inflation and a fragmented global trade system, with potential long-term impacts on international relations and trade agreements [8][9]. Group 4: Global Reactions - Major U.S. trading partners have expressed cautious interest in the ruling, with some countries indicating a willingness to maintain existing trade agreements despite the legal challenges to Trump's tariffs [9]. - The ruling has prompted a reevaluation of trade strategies among allies, as they navigate the complexities of U.S. trade policy under Trump's administration [8][9].