WASHINGTON, DC - FEBRUARY 06: Jamieson Greer, President Donald Trump's nominee to be the U.S. Trade Representative, testifies during his Senate Finance Committee confirmation hearing at the Dirksen Senate Office on February 06, 2025 in Washington, DC. Greer, who served as chief of staff to U.S. President Donald Trump's former U.S. Trade Representative Robert Lighthizer, defended the Trump Administrations use of tariffs in the second term. (Photo by Kayla Bartkowski/Getty Images)