of the 1960s, August 17, 2010 1943 births Living people 20th-century American non-fiction writers 21st-century American non-fiction writers American agnostics American columnists American Enterprise Institute American libertarians American male non-fiction writers American people of Scotch-Irish descent American political commentators American political scientists American political writers American sociologists Harvard College alumni Intelligence researchers Manhattan Institute for Policy Research Peace Corps volunteers People from Newton, Iowa Race and intelligence controversy Writers from Iowa 20th-century American male writers 21st-century American male writers MIT School of Humanities, Arts, and Social Sciences alumni Member of the Mont Pelerin Society