Ontario's ad criticizing tariffs aired during the World Series, hours after President Donald Trump said he'd slap new tariffs on Canada.
President Trump claimed Canada ran an ad featuring former President Ronald Reagan talking about tariffs to influence a pending U.S. Supreme Court case.
Video from around the world on the latest news developments, with insight from Wall Street Journal editors and reporters.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results