In recent days, Fox News personalities have begun urging Donald Trump to get more “disciplined.” Many seem to fear Trump is in trouble, as evidence mounts that his sleazy, racist attacks on Kamala Harris are backfiring. Yet Trump’s Fox allies aren’t telling him to stop smearing Harris with falsehoods; they’re just telling him to adopt a more civil tone in doing so. We talked to Steve Benen, author of a new book about the GOP called Ministry of Truth, who explains how the Fox News panic shows the limits of Republican propaganda—and why the Trump-MAGA-GOP addiction to lying is pushing our system to the breaking point.

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