WASHINGTON, DC - DECEMBER 09: Senate Commerce, Justice, Science, and Related Agencies Subcommittee ranking member Sen. Chris Van Hollen (D-MD) (L) questions U.S. Trade Representative Jamieson Greer during a subcommittee hearing with subcommittee Chair Jerry Moran (R-KS) 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: Senate Appropriations Committee Chair Susan Collins (R-ME) questions U.S. Trade Representative Jamieson Greer during a Commerce, Justice, Science, and Related Agencies Subcommittee hearing 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: Senate Commerce, Justice, Science, and Related Agencies Subcommittee member Sen. Jeff Merkley (D-OR) questions U.S. Trade Representative Jamieson Greer during a subcommittee hearing 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: Senate Commerce, Justice, Science, and Related Agencies Subcommittee ranking member Sen. Chris Van Hollen (D-MD) questions U.S. Trade Representative Jamieson Greer during a subcommittee hearing 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: Senate Commerce, Justice, Science, and Related Agencies Subcommittee members Sen. John Kennedy (R-LA) (R) questions U.S. Trade Representative Jamieson Greer as he testifies before the subcommittee with Sen. Deb Fischer (R-NE) 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: Senate Commerce, Justice, Science, and Related Agencies Subcommittee members Sen. John Kennedy (R-LA) (R) and Sen. Deb Fischer (R-NE) listen to U.S. Trade Representative Jamieson Greer as he testifies before the 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)