[Communist Herbert Marcuse] redefined “clear and present danger” to mean whatever he disliked, much as twenty-first century leftists do when they classify constitutionally protected gun ownership as a “public health crisis” or the predictions of fickle meteorological models as a “national emergency.” Rather than admit the enormity of his plan to reorder society, Marcuse pretended social circumstances had so shifted that his radical proposals actually fit within the American legal tradition.
Speechless: Controlling Words, Controlling Minds, by Michael Knowles, p 66