Incoming Border Czar Tom Homan weighs in President-elect Trump's tariff threats against Mexico and Canada, the showdown with sanctuary cities and the humanitarian crisis on the border.

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.

The president-elect’s opening salvo in trade and border talks with the United States’ neighbors is casting a harsh light on the North American alliance.