On the border, Trump has walled himself off from reality

The big-ticket item is what Trump promised supporters would be a "big, beautiful wall" paid for by Mexico, which now won't be big, beautiful or paid for by anyone but U.S. taxpayers.

Talking about how wealthy people have walls and fences around their homes, Trump said: "They don't build walls because they hate the people on the outside, but because they love the people on the inside."

Fine. But I have a fence around my backyard not just because I love my family. It's also because I fear what could happen if I don't protect them, and because I fear what other people are capable of if they had easy access to my home. Walls and fences aren't just about love. They're also about fear.

Trump knows all about fear. He feeds on it. He argues that immigrants and refugees are dangerous, even deadly. According to him, these people aren't coming to cut lawns but to kill cops, not to clean our homes but to violate our wives and daughters, not to care for our elderly but to rob us blind.

Good luck selling that nonsense. Immigrants might be spookier if millions of Americans weren't inviting them into our homes, giving them access to our gated communities and handing them our children.

Here's the weird part: Even if you agree that there's a crisis and a wall can solve it, Trump is the wrong person to make that case.

For one thing, he has no moral standing. The real magnet on the U.S.-Mexico border isn't welfare but work -- jobs provided by American employers who, in violation of the law, hire illegal immigrants who work hard, don't complain and don't act like they're doing the boss a favor by showing up.

Trump properties have previously hired illegal immigrants as construction workers, housekeepers, cooks and wait staff. Now that the owner occupies the Oval Office, his businesses are being more careful. Last summer, his Mar-a-Lago club requested several dozen visas to bring in foreign workers.

Besides, despite his bluster, Trump doesn't seem all that wedded to the wall. He brings it up whenever he needs to stir, or distract, the base. Then he stalls, fails to deliver and can't wait to compromise. Still, the base won't budge. They keep the pressure on.

What now? Walls are supposed to keep people out. But, in this case, it's Trump who is penned in.

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Ruben Navarrette's email address is ruben@rubennavarrette.com. His daily podcast, "Navarrette Nation," is available through every podcast app.