The limitations of human nature that cause personal arguments also contribute to political and social polarization. We have innate tendencies to perceive threats, place blame, and look for simple answers. Social media and news coverage capture our attention, reinforce our existing biases, and feed an us-versus-them mentality. Stereotyping and de-humanization render us unable to empathize with outsiders or understand their thinking and behavior. Learn the psychological basis for some of these important issues.