Uncivil Agreement: How Politics Became Our Identity

The psychology behind political partisanship: "The kind of research that will change not just how you think about the world but how you think about yourself." —Ezra Klein, Vox

Political polarization in America has moved beyond disagreements about matters of policy. For the first time in decades, research has shown that members of both parties hold strongly unfavorable views of their opponents. This is polarization rooted in social identity, and it is growing. The campaign and election of Do...