North Central College hosts the free lecture "Deindustrialization, Racial Change and Politics in Chicago, 1968-1978" by Columbia College Chicago professor Dominic Pacyga at 7 p.m. Wednesday, May 20, in Smith Hall of Old Main, 30 N. Brainard St. Pacyca is author of "Chicago: A Biography." The lecture is sponsored by North Central College's Urban and Suburban Studies program and Cultural Events committee.