Overview
- Trump said on Truth Social that tariffs are an "overwhelming benefit" to the United States and vital to prosperity and security.
- He warned that losing the ability to impose such duties on countries that treat the U.S. unfairly would be a "terrible blow."
- The Supreme Court is deliberating whether the International Emergency Economic Powers Act allows broad, country-specific tariffs after hearing arguments late last year.
- Trump has previously argued that an adverse ruling would pose the "biggest threat in history" to U.S. national security.
- The contested program includes across-the-board tariffs on multiple trading partners, with coverage noting impacts on countries such as South Korea.