President Donald Trump on Wednesday dismissed the prospect of Canada becoming an associate member of the European Union as "laughable," warning that the U.S. could impose heavy tariffs on Europe if he believed such a move was made with "bad intention."Trump was asked by reporters about the prospect of Canada becoming the EU's first "associate member.""I think it's laughable," Trump responded. "If they do that, if I think it's at all hostile act, I will put very serious tariffs or stop trading with Europe on many things.""If Europe does that with a bad intention – if it's a good intention that'...