The consensus among decent people in favor of the immigration bill making its way through Congress is so firm that expressing dissent feels a bit like taking the floor to suggest we chop down the Redwood National Park. People don’t want to hear it, and they also think you’re a nut. That makes this article one of the hardest I’ve ever had to write. It’s not that I’m afraid people will get angry; it’s that I can’t imagine anyone on my side (liberal) is open to persuasion. And, despite the vastness and complexity of the issue, I have to be brief: the Senate hopes to be done with things this week.

Sometimes, though, you just have to embrace futility.

The country I want for myself and future Americans is one that’s prosperous, cohesive, harmonious, wealthy in land and resources per capita, nurturing of its skilled citizens, and, most important, protective of its unskilled citizens, who deserve as much any other Americans to live in dignity. This bill threatens to put all of that out of reach, because it fails to control illegal immigration. The problem is not that it provides 11 million people eventual amnesty (I don’t object to that, in theory); the problem is that it sets in motion the next waves of millions.

High levels of low-skill immigration are good for wealthy Americans and bad for poor Americans.

That is not a fashionable concern, of course. Worrying about illegal immigration today is a lot like worrying about communists in government in 1950. It’s not that the problem isn’t legitimate or serious (there actually were, we now know, a lot of Moscow loyalists working for the U.S. government). It’s that expressing your concurrence links you to a lot of demagogues and bad actors.

Most of America’s college-educated elites are little affected by illegal immigration. In fact, it’s often a benefit to us in terms of childcare, household help, dinners out, and other staples of upper-middle-class life. Many therefore view the problem as akin, in severity, to marijuana use—common but benign, helpful to the immigrants and minimal in its effects on Americans or anyone else. I know, because it used to be my own view.