Above are a couple of informative graphs showing how extremist Democrats became on the key issues of race and immigration after Obama won re-election. A central question about our time is: Why did Democrats go nuts in c. 2013?
A second question is whether Democratic ideological extremism is related to the apparent rise in psychological problem around 2013. And which causes what?
I offered one possible explanation in Taki’s Magazine in my review of Haidt and Lukianoff’s The Coddling of the American Mind.