Momentum is growing among President Trump’s advisers to place 25% tariffs on Mexico and Canada as soon as Saturday, bucking conventional wisdom in Washington and on Wall Street that he would back off the threatened levies as he has in the past in exchange for concessions.

U.S. President Donald Trump’s pledge to levy punishing new tariffs on Canada has prompted calls for Ottawa and the provinces to turn to other markets. But any bid to do more business with Canada’s second-largest trading partner,

The same experts have found that most importers simply pass the added cost of tariffs on to U.S. consumers by jacking up their prices — rather than going out of their way to rep