In the second portion of the book, he presents moral foundations theory, and applies it to the political beliefs of liberals, conservatives, and libertarians in the US.

"[1]: 13:06  In his book, he compares the six aspects that people use to establish morality and take into consideration when making judgment to six taste receptors in the mouth.

[2] He goes on to establish that Republicans and Democrats tend to focus on different morality receptors and this leads to worse political tactics and decision making.

He describes how cultures and organizations have techniques for getting people to identify with their groups, such as dancing, moving, and singing in unison.

"[7] Journalist Chris Hedges wrote a review of The Righteous Mind in 2012 in which he accused Haidt of supporting social Darwinism.