Sask. NDP call for U.S. liquor ban after Ronald Reagan ad leads to new tariff threats from Trump  CTV NewsDespite Trump’s anger, Canadian politicians won’t say Ontario’s anti-tariff ad was a mistake  CBCCarney claims feds have ‘sole responsibility’ for U.S. talks  Global NewsWhat’s in Reagan advert that caused US-Canada trade talks to collapse?  BBCTrump says a Canadian ad misstated Ronald Reagan’s views on tariffs. Here are the facts and context  AP News