Donald Trump to announce new round of tariffs at 4pm ET

Alberta Premier Danielle Smith in March issued something between a threat and a prediction: The winner of the federal election will have six months to roll out policies friendly to the energy industry or face an “unprecedented national unity crisis.”Ms. Smith had previously made headlines with her visit to Florida in January to meet U.S. president-elect Donald Trump and her refusal to sign the statement from then prime minister Justin Trudeau and the other premiers about how to deal with the burgeoning trade war with Canada’s southern neighbour. Critics floated the word “traitor” as they...