The gravest internal threat to this country is not illegal aliens; it is leftist professors who are waging a war against America and teaching our young people to hate this country.

Thirty-three years ago, when I entered college, left-wing ideologies dominated American universities, and especially the humanities and social sciences. But one still could get a fair, balanced education by consulting traditional canonical texts that countered the dogma. Free speech was alive on college campuses. There were hisses and boos, of course, but for the most part, hearing perspectives different from your own was considered essential to your education. Few of us lived in our own curated silos.

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