The Borderline
Ways and Means turns to the embassy channel as Fresno watches
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 21, 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
Canada’s stake in the auto rules of origin just got larger
Jan 21, 2026
In Allentown, the auto rules of origin weaponizes the map
Jan 20, 2026
What 44 per cent in Sioux Falls says about the softwood file
Jan 18, 2026
A transactional bargain over steel and aluminum duties
Jan 17, 2026
The strategic petroleum rider hiding inside the auto rules of origin
Jan 16, 2026
K Street stays late on a dairy flare-up
Jan 15, 2026
The file
The Borderline
Cross-border data rules: the view from Foggy Bottom
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 · Jan 14, 2026
The Borderline
Canada’s stake in dollar-for-dollar tariffs just got larger
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 13, 2026
The Borderline
Canada’s stake in steel and aluminum duties just got larger
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
The Borderline
The drug-price transparency act hiding inside 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 · Jan 10, 2026
The Borderline
The expensive week Washington hardens 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 · Jan 9, 2026
The Borderline
Canada’s stake in the embassy channel just got larger
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 8, 2026
The Borderline
The stopgap spending bill hiding inside cross-border data rules
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 · Jan 7, 2026
The Borderline
Energy and Commerce turns to cross-border data rules as Tucson watches
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 · Jan 6, 2026
The Borderline
Canada’s stake in the USMCA review just got larger
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 5, 2026
The Borderline
The farm-state biofuels carve-out hiding inside 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 · Jan 4, 2026
The Borderline
The expensive week Washington isolates 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 · Jan 3, 2026
The Borderline
Bill 1116 and the problem of 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 · Jan 2, 2026
The Borderline
Quebec’s aluminum towns confront 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 · Jan 1, 2026
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