This excerpt from his piece today in Real Clear Politics should give you a flavor for the argument; the entire piece is worth reading:

In its multi-pronged efforts to pressure Harvard to live up to its self-proclaimed mission to seek and transmit knowledge and pursue the truth, the Trump administration seems to be of two minds on free speech. Along with demanding that Harvard meet its obligations under civil-rights law to combat antisemitism on campus and end race-based discrimination or lose federal funding, the Trump administration has conditioned billions in taxpayer dollars on the university's protecting the free speech on which excellence in scholarship and teaching depend. Yet the White House's remedies to Harvard's censoring and indoctrination clash with free-speech imperatives and

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