Donald Trump knows exactly what he’s doing with tariffs. Everyone else is baffled: Why did the president announce heavy taxes on imports from Canada as well as Mexico and China? America has an obvious interest in economically decoupling from China,

Canadian Prime Minister Justin Trudeau announced that Canada would respond with 25% tariffs "against $155 billion worth of American goods."

The two countries are planning precision strikes against U.S. exports in response to the unilateral tariffs announced by the White House on Saturday.