UCLA political scientists Lynn Vavreck and Chris Tausanovitch and Vanderbilt’s John Sides argue that political party identity has become increasingly “calcified” in surprising new ways. Their latest book,“The Bitter End,” describes both the long-term trends and short-term shocks that shaped the 2020 presidential election and continue reverberating today.

What’s driving the increasing distance between the parties and the growing homogeneity within the parties?

Playbook Co-Author Ryan Lizza met Vavreck on UCLA’s campus to learn why so-called “identity-inflected issues” are the great new dimension of political conflict and present a dangerous direction in America.

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