Question: American Libertarian, political scientist, author, and columnist, Charles Murray, who was also involved with the cognitive elite of a society, those having higher intelligence levels and thus better prospects for success in life, published what book in 1984? 
Sentence (from "Charles Murray (political scientist)"): His book "Losing Ground: American Social Policy 1950–1980" (1984), which discussed the American welfare system, was widely read and discussed, and influenced subsequent government policy.
Relevant evidence: Yes