OTTAWA — Canada has promised Donald Trump that within 30 days, it will appoint a fentanyl czar and list drug cartels as terrorists. But what if that's not enough to neutralize U.S. tariff threats?

President Donald Trump's tariffs on America's three largest trading partners have led to questions about how tariffs work and who pays for them when goods are imported.

As a trade war looms on the horizon, the Liberal Party of Canada is seizing control of the election narrative, close political watchers say. Still, there's a long way to go if they're to form ...