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54 pages 1 hour read

Ezra Klein

Why We're Polarized

Nonfiction | Book | Adult | Published in 2020

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Themes

Increase of Polarization in US Politics

Evinced by his title, Why We’re Polarized, Klein identifies polarization as the key to understanding contemporary US politics. He explains the causes of polarization, including the human propensity to treat non-group members with hostility, the ideological sorting of the major parties, the fusing of political identities with others, and demographic changes. Because of the relationship between a polarized public and polarized political institutions, Klein expects polarization to continue and get worse. The interaction between the public and institutions reinforces and strengthens polarization.

While Americans have affiliated with political parties since the 19th century, partisan identification did not align with other identities, and political parties were ideologically diverse. Klein highlights the American Political Science Association’s criticism of the major parties in the 1950s. The organization lamented the fact that the parties were so ideologically muddled, as voters were deprived of clear choices at the polls. The entrance of civil rights to the political agenda triggered a long-term sorting process at the end of which the parties would be ideologically distinct. Conservative, white, Southern Democrats ultimately left the Democratic Party for the Republican Party. Liberal, Northern Republicans likewise switched to the Democratic Party.

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