Group 1 - The core argument of the news is that Trump's tariff policies, aimed at protecting American manufacturing, may not achieve their intended goals and could potentially accelerate the decline of the manufacturing sector [1][3][7] - Trump announced plans to impose a 100% tariff on brand-name drugs unless companies establish manufacturing in the U.S., along with a 25% tariff on heavy trucks and a 50% tariff on certain household goods, claiming these measures are to protect domestic businesses [3][5] - Economists question the effectiveness of these tariffs in bringing manufacturing jobs back to the U.S., noting that many companies have already received exemptions and that the tariffs may not significantly impact domestic production [3][5] Group 2 - Approximately 78% of heavy trucks in the U.S. are imported from Mexico, and 15% from Canada, with many of these imports exempt from tariffs due to the USMCA agreement, which undermines the intended impact of the tariffs [5] - The tariffs on household goods may not have a substantial macroeconomic effect, as high labor costs in the U.S. could still deter companies from relocating production back to the country [5][7] - The share of manufacturing in the U.S. GDP has been declining, with only 9.4% as of June, and projections suggest a slight increase to 9.7% by the end of 2024, indicating a persistent trend of manufacturing decline [5][7]