Unwanted Migration Isn’t Rain — You Can Stop It

Our leaders almost universally refuse to do what is blindingly obvious.

Over a few beers last week, a friend of mine who works in law enforcement made an important and surprisingly obvious point: Mass illegal immigration isn’t some unstoppable force of nature, like the weather. We could prevent much or most of it fairly easily, by exercising basic will and common sense.

While clear enough once you say it, this reality is forgotten or ignored remarkably often. Just last week, for example, dozens of media outlets reported that Mexican Ferromex freight trains packed with...