Eliot Ness is credited with assembling a team of federal agents who took down Al Capone in Chicago in the 1930s. The Plain Dealer/Landov hide caption

itoggle caption The Plain Dealer/Landov

Yuvania Maldonado, a counselor for President Obama's health care law, speaks with Chicago taxi driver Mohammad Chaudri at a city office where taxi drivers go to renew their license. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

Many consumers don't check their credit card bills carefully — which makes it easy to miss fraudulent charges. iStockphoto hide caption

itoggle caption iStockphoto

Pictures of Chicago residents who have died by gunfire are posted on the city's South Side. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

The owners of Women and Children First, Chicago's famed feminist bookstore, are looking to sell. Kevin Zolkiewicz/Flickr.com hide caption

itoggle caption Kevin Zolkiewicz/Flickr.com

Chicago Police Superintendent Garry McCarthy says police have at least 108 examples of shootings or murders in 2013 alone that would not have happened if the proposed mandatory minimum sentencing law was in effect. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

Researchers say that in Milwaukee County, more than half of all black men in their 30s and 40s had been incarcerated at some point. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Minneapolis Mayor R.T. Rybak took to a Chicago rooftop on Thursday to attract the city's gay and lesbian community to spend their wedding dollars in Minnesota. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

Activist Bayard Rustin points to a map during a press conference four days ahead of the March on Washington in August 1963. AP hide caption

itoggle caption AP

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