Yes, and this ridiculous statement about our borders from the article.
"But the United States doesn’t have this problem. Pretty much anyone coming to the United States from Middle Eastern war zones or the radical underground of Europe would need to come by plane, and, since 9/11, we have made it tough for such people to fly to the United States.
And it helps that America’s two immediate neighbors, Mexico and Canada, have extremely cooperative security authorities, which prevents would-be terrorists from slipping across our land borders."