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 — dollar-for-dollar tariffs, seen from both sides of the border.
Sophie Tremblay · Mar 1, 2026
More in Canada–U.S.
Feb 28, 2026
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Feb 23, 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 · Feb 22, 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 · Feb 21, 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 · Feb 20, 2026
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 · Feb 19, 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 · Feb 18, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — cross-border data rules, seen from both sides of the border.
Sophie Tremblay · Feb 17, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — cross-border data rules, seen from both sides of the border.
Elena Voss · Feb 16, 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 · Feb 15, 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 · Feb 14, 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 · Feb 13, 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 · Feb 12, 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 · Feb 11, 2026
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 · Feb 10, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — the softwood file, seen from both sides of the border.
Sophie Tremblay · Feb 9, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — cross-border data rules, seen from both sides of the border.
Sophie Tremblay · Feb 8, 2026
The Borderline
The relationship that used to be muscle memory is now a file with a clock on it — cross-border data rules, seen from both sides of the border.
Sophie Tremblay · Feb 7, 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 · Feb 6, 2026
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