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Throughline · September 17, 2026 · 50m

How two swing states changed American voting

This episode examines two historical blueprints that continue to shape American elections. In Arizona during the 1960s, Republican operatives employed a 'block-the-vote' strategy that pioneered modern voter suppression tactics, a story tied to the career of William Rehnquist. Meanwhile in 1970s Michigan, Democrats built a grassroots power base rooted in community organizing, exemplified by the Arab American community’s civic mobilization. Throughline shows how these state-level models from the past are once again guiding the parties’ approaches to the midterm elections, where a handful of voters in battleground states could determine control of Congress.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Highlights

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The Arizona 'block-the-vote' strategy (1960s)
In the 1960s, Arizona Republicans developed a systematic 'block-the-vote' operation that would become a model for later voter suppression efforts.
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Michigan's Democratic grassroots power base (1970s)
In the 1970s, Michigan Democrats built a durable grassroots power base through deep community organizing, particularly with the Arab American population.

Editorial

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A tiny slice of swing-state voters decides control of Congress
The midterm elections hinge on a small number of voters in a few battleground states, giving outsized influence to states like Arizona and Michigan.

References

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The Partisan: The Life of William Rehnquist — John A. Jenkins
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The Politics of Voter Suppression: Defending and Expanding Americans' Right to Vote — Tova Wang
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