WASHINGTON, DC - JULY 22: Sen. Catherine Cortez Masto (D-NV) speaks to U.S. Trade Representative Jamieson Greer as he appears at a Senate Finance Committee hearing on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 22: Chairman Mike Crapo (R-ID) (R) and Ranking Member Sen. Ron Wyden (D-OR) (L) speak during a Senate Finance Committee hearing with U.S. Trade Representative Jamieson Greer on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 22: U.S. Trade Representative Jamieson Greer speaks during a Senate Finance Committee hearing on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 22: U.S. Trade Representative Jamieson Greer speaks during a Senate Finance Committee hearing on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 22: U.S. Trade Representative Jamieson Greer speaks during a Senate Finance Committee hearing on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 22: U.S. Trade Representative Jamieson Greer speaks during a Senate Finance Committee hearing on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 22: U.S. Trade Representative Jamieson Greer appears during a Senate Finance Committee hearing on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 22: Sen. Elizabeth Warren (D-MA) speaks to U.S. Trade Representative Jamieson Greer as he appears at a Senate Finance Committee hearing on July 22, 2026 in Washington, DC. Greer is presenting U.S. President Donald Trump's trade policy agenda as the Trump administration has recently put a 50 percent tariff on certain goods from Canada causing criticism from Canadian Prime Minister Mark Carney and some Republicans. (Photo by Andrew Harnik/Getty Images)