Group 1 - The Trump administration is preparing a backup plan in case the Supreme Court overturns his significant tariff powers, including the potential use of Trade Act Sections 301 and 122, which grant the president unilateral authority to impose tariffs [1][3] - Current average tariff rates on U.S. imports are approximately 14.4%, with over half of these tariffs imposed under the International Emergency Economic Powers Act (IEEPA) [3] - If the Supreme Court rules against the Trump administration, the government may be forced to refund over $88 billion in tariffs already collected [5] Group 2 - The Trump administration has modified tariffs on Brazilian goods, maintaining a 40% tariff on some products while eliminating additional tariffs on specific Brazilian agricultural products and aircraft parts [6] - Brazilian Vice President Alckmin noted that while some tariffs have been lifted, approximately 22% of Brazilian exports to the U.S. are still subject to high tariffs, indicating ongoing trade negotiations [7]