In a day of congenial menace at the White House, Canadian Prime Minister Mark Carney picked his spots carefully. He got his key message across — but got a largely unrelated earful in exchange from United States President Donald Trump.
A trip to the White House has become a rite of passage for leaders around the world, with a series of predictable elements in the Trump era — from the blindside on social media to the handshake and the tense sitdown in the newly gilded Oval Office.
