WASHINGTON - Donald Trump's tariff agenda is set to face a major legal hurdle in the U.S. Supreme Court this week but no matter the ruling, it will not spare Canada from all of the president's devastating duties.

The U.S. Supreme Court will hear arguments Wednesday from businesses and states that say Trump's use of a national security statute — the International Emergency Economic Powers Act of 1977 — to hit nearly every nation with tariffs is illegal.

The hearing will combine two cases: one pushing back on what are usually referred to as Trump's reciprocal tariffs and the other which also argues against the fentanyl-related duties on Canada, Mexico and China.

It will not impact Trump's expanding use of tariffs under Section 232 of the Trade Expansion Act of 1962 that is already hammeri

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