WASHINGTON, DC - DECEMBER 09: U.S. Trade Representative Jamieson Greer testifies before the Commerce, Justice, Science, and Related Agencies Subcommittee in the Dirksen Senate Office Building on Capitol Hill on December 09, 2025 in Washington, DC. Greer faced questions from senators during a hearing on "A Review of the Activities and FY2026 Funding Priorities of the Office of the United States Trade Representative." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - DECEMBER 09: U.S. Trade Representative Jamieson Greer testifies before the Commerce, Justice, Science, and Related Agencies Subcommittee in the Dirksen Senate Office Building on Capitol Hill on December 09, 2025 in Washington, DC. Greer faced questions from senators during a hearing on "A Review of the Activities and FY2026 Funding Priorities of the Office of the United States Trade Representative." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - DECEMBER 09: U.S. Trade Representative Jamieson Greer testifies before the Commerce, Justice, Science, and Related Agencies Subcommittee in the Dirksen Senate Office Building on Capitol Hill on December 09, 2025 in Washington, DC. Greer faced questions from senators during a hearing on "A Review of the Activities and FY2026 Funding Priorities of the Office of the United States Trade Representative." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - DECEMBER 09: U.S. Trade Representative Jamieson Greer testifies before the Commerce, Justice, Science, and Related Agencies Subcommittee in the Dirksen Senate Office Building on Capitol Hill on December 09, 2025 in Washington, DC. Greer faced questions from senators during a hearing on "A Review of the Activities and FY2026 Funding Priorities of the Office of the United States Trade Representative." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - DECEMBER 09: U.S. Trade Representative Jamieson Greer testifies before the Commerce, Justice, Science, and Related Agencies Subcommittee in the Dirksen Senate Office Building on Capitol Hill on December 09, 2025 in Washington, DC. Greer faced questions from senators during a hearing on "A Review of the Activities and FY2026 Funding Priorities of the Office of the United States Trade Representative." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - DECEMBER 09: U.S. Trade Representative Jamieson Greer testifies before the Commerce, Justice, Science, and Related Agencies Subcommittee in the Dirksen Senate Office Building on Capitol Hill on December 09, 2025 in Washington, DC. Greer faced questions from senators during a hearing on "A Review of the Activities and FY2026 Funding Priorities of the Office of the United States Trade Representative." (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - DECEMBER 09: U.S. Trade Representative Jamieson Greer testifies before the Commerce, Justice, Science, and Related Agencies Subcommittee in the Dirksen Senate Office Building on Capitol Hill on December 09, 2025 in Washington, DC. Greer faced questions from senators during a hearing on "A Review of the Activities and FY2026 Funding Priorities of the Office of the United States Trade Representative." (Photo by Chip Somodevilla/Getty Images)

US Trade Representative Jamieson Greer testifies during a US Senate Appropriations Subcommittee on Commerce, Justice, Science, and Related Agencies hearing on 2026 funding priorities, on Capitol Hill in Washington, DC, December 9, 2025. (Photo by SAUL LOEB / AFP via Getty Images)