President-elect Donald Trump has reaffirmed his commitment to blocking the $15 billion acquisition of U.S. Steel by Nippon Steel, citing national security concerns. He intends to bolster U.S. Steel through tax incentives and tariffs. President Biden shares similar views, having publicly sided with the United Steelworkers against the deal. Despite Nippon Steel's promise of investment, there is substantial criticism from various stakeholders, including bipartisan opposition in the Senate and concerns from U.S. Steel workers. The Committee on Foreign Investment in the U.S. continues its review, with implications for the future of the American steel industry.