CHAD WOLF: Canada can't expect free trade while leaving our northern border vulnerable

The longest international border in the world has a security problem, and Canada is not treating it with the urgency it deserves.

Recently, Department of Homeland Security Secretary Markwayne Mullin laid out a sobering picture of how people from 78 nations have been apprehended crossing the northern border. U.S. agents are now arresting a terrorist on the watch list nearly every week at the northern border, and over the past year alone, enough fentanyl to kill 17 million Americans has been seized coming through Canada.