Illinois primaries show political power of Pritzker, limits for outside spending and more takeaways

March 19, 2026

TL;DR

Lt. Gov. Juliana Stratton is poised to make history as the sixth Black woman in the U.S. Senate following her primary win, bolstered by Governor Pritzker's support.
Governor Pritzker demonstrated considerable political clout by heavily backing Stratton, an investment that could be strategic for a potential 2028 presidential run.
Outside spending from pro-Israel groups (AIPAC) and pro-crypto groups saw mixed results, with some favored candidates winning and others losing.
Progressive candidates with platforms similar to recent successful insurgents largely fell short in their Illinois primary bids.
The state experienced high voter turnout in its Senate primary, reaching its highest level since 2004, with record early voting numbers.

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