President Joe Biden criticized President-elect Donald Trump's announcement that he will implement 25% tariffs on Canada and Mexico, saying that the comments were "counterproductive."

The president-elect said that he would impose the across-the-board tariffs on Day 1 and that they would stay in place until Canada, Mexico and China halted the flow of drugs and migrants.

While the announcement is almost certainly bluster to bring attention to illegal immigration and fentanyl smuggling, there are several reasons why it is so risky.