“…Psychologists and behavioral geneticists have been studying the heritability of social and political attitudes for years (e.g., Bouchard et al, 2003;Eaves & Eysenck, 1974;Olson, Vernon, Harris, & Jang, 2001;Tesser, 1993). Nevertheless, an article by Alford, Funk, and Hibbing (2005) presenting evidence of this kind caused a stir when it appeared in the American Political Science Review.…”