US President Donald Trump’s administration is using another tariff threat to put fresh pressure on Canadian provinces to end their boycotts of American alcohol. But provincial leaders are not backing off. Ontario Premier Doug Ford said he would not lift his province’s ban on the sale of American wine and spirits in government-run stores unless the US removes sectoral tariffs on cars and steel. “We have to negotiate through strength, not weakness. And we need to throw everything on the table,” he...