The Borderline
Trade, tariffs, the border and the most important relationship Canada has.
In this file251 complete stories · Washington Bureau
CorrespondentSophie Tremblay · Canada–U.S. Correspondent
Also on the deskWhite House · Congress · Midterms · Economy · Defense · World · Courts · Immigration · Energy · Health · Technology
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — steel and aluminum duties, seen from both sides of the border.
Sophie Tremblay · Jan 11, 2026
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The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — the auto rules of origin, seen from both sides of the border.
Sophie Tremblay · Jan 4, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — the USMCA review, seen from both sides of the border.
Sophie Tremblay · Jan 3, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — the embassy channel, seen from both sides of the border.
Sophie Tremblay · Jan 2, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — dollar-for-dollar tariffs, seen from both sides of the border.
Sophie Tremblay · Jan 1, 2026
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