The Borderline
The expensive week Washington tests a dairy flare-up
The relationship that used to be muscle memory is now a file with a clock on it — a dairy flare-up, seen from both sides of the border.
Sophie Tremblay · Aug 16, 2026
ST
Canada–U.S. Correspondent
Sophie Tremblay
Sophie Tremblay is the bureau’s Canada–U.S. correspondent, covering tariffs, USMCA, autos, dairy and the embassy circuit.
236 stories in the Washington archive
Recent work
Bill 3780 and the problem of steel and aluminum duties
Aug 15, 2026
Canada’s stake in cross-border data rules just got larger
Aug 14, 2026
What 48 per cent in Buffalo says about the USMCA review
Aug 13, 2026
Ontario’s auto belt confronts the softwood file
Aug 12, 2026
The drug-price transparency act hiding inside the softwood file
Aug 11, 2026
K Street stays late on a dairy flare-up
Aug 10, 2026
The file
The Borderline
The softwood file: the view from Capitol Hill
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 · Aug 9, 2026
The Borderline
The legal week Washington weaponizes the embassy channel
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 · Aug 8, 2026
The Borderline
The border supplemental hiding inside steel and aluminum duties
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 · Aug 6, 2026
The Borderline
A partisan bargain over the auto rules of origin
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 · Aug 5, 2026
The Borderline
Quebec’s aluminum towns confront the softwood file
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 · Aug 4, 2026
The Borderline
The dangerous week Washington reopens steel and aluminum duties
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 · Aug 3, 2026
The Borderline
Judiciary turns to the USMCA review as Raleigh watches
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 · Aug 2, 2026
The Borderline
Bill 3612 and the problem of the auto rules of origin
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 · Aug 1, 2026
The Borderline
Boise cannot look away from dollar-for-dollar tariffs
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 · Jul 31, 2026
The Borderline
What 42 per cent in Green Bay says about the auto rules of origin
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 · Jul 30, 2026
The Borderline
An ugly bargain over the softwood file
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 · Jul 29, 2026
The Borderline
Canada’s stake in the auto rules of origin just got larger
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 · Jul 28, 2026
The Borderline
What 44 per cent in Toledo says about the auto rules of origin
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 · Jul 27, 2026
The Borderline
Grand Rapids cannot look away from dollar-for-dollar tariffs
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 · Jul 26, 2026
The Borderline
In Allentown, dollar-for-dollar tariffs hardens the map
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 · Jul 25, 2026
The Borderline
In Savannah, dollar-for-dollar tariffs miscalculates the map
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 · Jul 24, 2026
The Borderline
Bill 3504 and the problem of the USMCA review
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 · Jul 23, 2026
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