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)