A Senate runoff in South Carolina puts Trump’s clout to the test

Welcome to The Data Dive, your subscriber-exclusive newsletter about the most consequential elections of the midterms. Every Tuesday morning, I’ll focus on the numbers, trends and data shaping the biggest stories heading into Election Day. I’ll also dig into the 2026 battlegrounds that will determine control of Congress — one district, one county, one city and maybe even one precinct at a time. In this edition: what to watch for in the Senate runoff race in South Carolina, where President Trump’s preferred candidate, Darline Graham, seeks a full term. Let’s dive in.

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