Canadian Prime Minister Mark Carney on Thursday welcomed a proposal for Canada to become the European Union’s first associate member, but said he did not mean for a closer alliance to create a new bloc that would rival the world’s great powers. The remarks came after US President Donald Trump suggested the proposed arrangement could be a “hostile act” and threatened heavy tariffs on Europe if he judged its intentions to be unfriendly. Trump also called the idea “laughable”. “We welcome this...