The last high rise at Chicago's Cabrini-Green public housing complex was demolished in 2011. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

Protesters of Chicago Mayor Rahm Emmanuel's plan to close dozens of city schools rally in the Capitol rotunda in Springfield, Ill., on Wednesday. The Chicago Board of Education voted to close 50 schools. Seth Perlman/AP hide caption

itoggle caption Seth Perlman/AP

"Sue," the Tyranosaurus rex skeleton, is one of the most famous exhibits at Chicago's Field Museum of Natural History John Zich/AFP/Getty Images hide caption

itoggle caption John Zich/AFP/Getty Images

First lady Michelle Obama on Wednesday speaks about 15-year-old Hadiya Pendleton, who was shot and killed on the South Side of Chicago earlier this year. Paul Beaty/AP hide caption

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Ebert works in his office at the WTTW-TV studios in Chicago on Jan. 12, 2011. Charles Rex Arbogast/AP hide caption

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Chicago Teachers Union President Karen Lewis speaks outside Mahalia Jackson Elementary School in Chicago about the planned closing of 54 public schools. Opponents say the plan will disproportionately affect minority students in the nation's third-largest school district. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

Mississippi State's Stan Brinker (53) and Loyola's Jerry Harkness (15) shake hands before the NCAA Mideast regional semifinal college basketball game in East Lansing, Mich., on March 15, 1963. The game was a landmark contest between the schools that helped alter race relations on the basketball court. Loyola University Chicago/AP hide caption

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Branndin Laramore (from left), Brian Weddington, Lia Miller and Ernesto Moreta pose after a recent rehearsal for the Chicago finals of the August Wilson Monologue Competition. Cheryl Corley/NPR hide caption

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