Mark Carney has delivered a sharp insult to Donald Trump after trade negotiations were canceled over an ad featuring former president Ronald Reagan slamming tariffs. Trump hit Canada with an additional 10 percent tariff and terminated crucial trade talks last week after he was upset by the commercial which aired during the first two games of the baseball World Series. The tariff commercial used an excerpt of a speech given by Reagan in 1987 to criticize US tariffs during Friday and Saturday's match ups between the Los Angeles Dodgers and Toronto Blue Jays. Speaking about Trump's spat at the ASEAN...