US Trade Representative Jamieson Greer speaks outside the West Wing of the White House in Washington, DC, on August 26, 2026. The United States and Canada have plunged into a trade war as Ottawa stands its ground in the face of President Donald Trump's latest tariffs, taking on the world's largest economy. Washington slams its longtime ally as the only trading partner besides China to retaliate against Trump's duties. But Canadian Prime Minister Mark Carney said: "You're at war when you get attacked. We got attacked." (Photo by Jim WATSON / AFP via Getty Images)

US Trade Representative Jamieson Greer speaks to a reporter outside the West Wing of the White House in Washington, DC, on August 26, 2026. The United States and Canada have plunged into a trade war as Ottawa stands its ground in the face of President Donald Trump's latest tariffs, taking on the world's largest economy. Washington slams its longtime ally as the only trading partner besides China to retaliate against Trump's duties. But Canadian Prime Minister Mark Carney said: "You're at war when you get attacked. We got attacked." (Photo by Jim WATSON / AFP via Getty Images)

A US flag flies at half-staff near the Vietnam Memorial in Washington, DC, on August 26, 2026. US President Donald Trump ordered the lowering of flags after country music icon Dolly Parton died at the age of 80 on August 25. (Photo by Kent Nishimura / AFP via Getty Images)

People visit the Washington Monument as US flags are lowered to half-staff in Washington, DC, on August 26, 2026. US President Donald Trump ordered the lowering of flags after country music icon Dolly Parton died at the age of 80 on August 25. (Photo by Kent Nishimura / AFP via Getty Images)

People visit the Washington Monument as US flags are lowered to half-staff in Washington, DC, on August 26, 2026. US President Donald Trump ordered the lowering of flags after country music icon Dolly Parton died at the age of 80 on August 25. (Photo by Kent Nishimura / AFP via Getty Images)

People visit the Washington Monument as US flags are lowered to half-staff in Washington, DC, on August 26, 2026. US President Donald Trump ordered the lowering of flags after country music icon Dolly Parton died at the age of 80 on August 25. (Photo by Kent Nishimura / AFP via Getty Images)

American flags are lowered to half staff at the White House in Washington, DC on August 26, 2026. US President Donald Trump ordered the lowering of flags after country music icon Dolly Parton died at the age of 80 on August 25. (Photo by Kent Nishimura / AFP via Getty Images)

People sit in the shade of a tree as US flags are lowered to half-staff around the Washington Monument in Washington, DC, on August 26, 2026. US President Donald Trump ordered the lowering of flags after country music icon Dolly Parton died at the age of 80 on August 25. (Photo by Kent Nishimura / AFP via Getty Images)