'Please explain to Governor Trudeau...': Trump's big warning to Canada on tariffs after Justin's 'dumb' jibe

Trump tariff row: US President Donald Trump on Tuesday threatened to impose reciprocal tariffs on Canada's exports to match its retaliatory 25% duties targeting American exports. His jibe came after Justin Trudeau said Canada would plaster retaliatory tariffs on more than $100 billion of American goods in response to Trump's 25 percent tariffs.