This is the Charles Murray who says late in the book that he half-supports the idea of a negative income tax--a guaranteed income for everyone.
Charles Murray stated in chapter 32 that he supports the idea of a negative income tax. 
mnli hypothesis: Charles Murray stated in chapter 32 that he supports the idea of a negative income tax.  premise: This is the Charles Murray who says late in the book that he half-supports the idea of a negative income tax--a guaranteed income for everyone.