The Hidden Agenda of the Political Mind: How Self-Interest Shapes Our Opinions and Why We Won't Admit It

by Jason Weeden and Robert Kurzban,
The Huffington Post, November 12, 2014

We know, with precision, for whom American voters cast their ballots. But it is much less clear why they pull the lever for a particular candidate or political party. Some maintain that people vote selfishly, supporting the candidate who will advance their interests the most. Others insist that ideology, emotion, party loyalty and affiliation with a demographic group are the main motivators.

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