John Authers is a senior editor for markets and Bloomberg Opinion columnist. A former chief markets commentator at the ...

"Ever since the free trade agreement signed by President Ronald Reagan, the economies of Quebec (to speak of what I know best) and the U.S. are so integrated that customs tariffs on our products would ...

The president wants to begin renegotiating a U.S. trade deal with Canada and Mexico earlier than a scheduled 2026 review, ...