Chicago Alderman Brendan Reilly will challenge Cook County Board President Toni Preckwinkle in 2026. Reilly, 54, announced his candidacy, positioning himself as a fiscal watchdog against Preckwinkle, who has held the position since 2010 and is seeking a fifth term. The Daily Herald and FOX Chicago reported the announcement. The election is shaping up to be a contest over the future of Cook County, with property taxes, school funding, immigration policies, and crime rates taking center stage. The