That wasn’t the only tense exchange Lutnick would have with a Canadian leader. Several days later, he was also on

Washington – President Donald Trump launched a trade war Tuesday against America’s three biggest trading partners, drawing immediate retaliation from Mexico, Canada and China and sending financial markets into a tailspin as the U.S. faced the threat of rekindled inflation and paralyzing uncertainty for business.

But if fentanyl does not end, or he's uncertain about it, he will stay this way until he is comfortable," Lutnick said of the addictive and deadly opioid in an interview with NBC's "Meet the Press." "This is black and white.