`::::: Sorry, but you're incorrect in your understanding of primary vs. secondary sources. Nonetheless, though Dunlap & McCright have written primary source material, their chapter in the Oxford Handbook is a secondary source - it ``talks about...primary source[s]`` (some of which happen to be their own, some not). It doesn't present primary research findings, it discusses previous findings. Anyway, that's one of the three sources I discussed. Does that mean that you agree on Farmer & Cook and Robert Manne? Or not? Let's sort through these sources properly.     `