"It all raises the question: Do left and right differ in any meaningful way when it comes to biases in processing information, or are we all equally susceptible?
"There are some clear differences. Science denial today is considerably more prominent on the political right—once you survey climate and related environmental issues, anti-evolutionism, attacks on reproductive health science by the Christian right, and stem-cell and biomedical matters. More tellingly, anti-vaccine positions are virtually nonexistent among Democratic officeholders today—whereas anti-climate-science views are becoming monolithic among Republican elected officials.
"Some researchers have suggested that there are psychological differences between the left and the right that might impact responses to new information—that conservatives are more rigid and authoritarian, and liberals more tolerant of ambiguity. Psychologist John Jost of New York University has further argued that conservatives are "system justifiers": They engage in motivated reasoning to defend the status quo." Read the entire article at the above link. We've discussed other related articles in this website and have used such terms as "reptilian brain" for discussing a lack of empathy. It's all interesting stuff, but a bit discouraging for us that have tried to argue with facts and don't make any difference...