Cook County Board President Toni Preckwinkle is being challenged by Chicago Alderman Brendan Reilly in the Democratic primary, with the election scheduled for March 17, 2026. Preckwinkle, seeking a fifth term since taking office in 2010, recently debated Reilly on immigration, crime, healthcare, and taxes, Fox 32 Chicago reported. The victor in the Democratic primary is expected to win the general election in the heavily Democratic county. The debate between Preckwinkle and Reilly, as reported b