Canada hits back at 'punitive' U.S. tariffs in 'turning point' in relations: bit.ly/2Lf2B5p https://t.co/oEb23W1YTM

Canada hits back at 'punitive' U.S. tariffs in 'turning point' in relations: bit.ly/2Lf2B5p https://t.co/oEb23W1YTM