Trump threatens increased tariffs if Canada retaliates 

President Trump on Tuesday threatened to add additional taxes on Canada if the U.S.'s northern neighbor Canada retaliates with its own, after Canadian Prime Minister Justin Trudeau slammed Trump’s newly implemented tariffs. “Please explain to Governor Trudeau, of Canada, that when he puts on a Retaliatory Tariff on the U.S., our Reciprocal Tariff will immediately...