OTTAWA — The United States imposed sweeping tariffs Tuesday on Canadian products, claiming Canada has failed to adequately address the southbound flow of contraband drugs like fentanyl. Prime Minister Justin Trudeau dismissed the U.S. rationale as "completely bogus, completely unjustified, completely false." "Our border is already safe and secure," Trudeau told a news conference Tuesday. He said Canada accounts for well under one per cent of fentanyl seized at the northern border and less than one per cent of illegal crossings into the United States. "But we acted because we know we can always do better," he said. The federal…