Cook County Board President Toni Preckwinkle says she's running for Chicago mayor.
Preckwinkle would be the city's first female, African-American mayor. She announced her bid Thursday at a hotel where Chicago's first African-American mayor, Harold Washington, launched his campaign in 1982 and where former President Barack Obama announced his 1996 bid for Illinois Senate.
Preckwinkle says she would fight for working-class people.
She joins a crowded field of candidates to replace Mayor Rahm Emanuel, who said earlier this month he won't seek a third term.
Gery Chico, an attorney and former chief of staff to Mayor Richard M. Daley, also announced his...