TSA Administrator Peter Neffenger prepares to testify during a House Homeland Security Committee hearing on Capitol Hill. Lawmakers sought answers as to why long security lines persist at airports around the country. Mark Wilson/Getty Images hide caption

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TSA Hopes To Speed Up Screening Lines This Summer, Administrator Tells Congress

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Chicago Mayor Rahm Emanuel speaks at the 84th winter meeting of the U.S. Conference of Mayors in January in Washington, D.C. Mandel Ngan /AFP/Getty Images hide caption

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Chicago's North Broadway Street has been undergoing water main upgrades in the past few weeks, with more work scheduled this year. The upgrades are part of the city's 10-year plan to replace 900 miles of water pipes. Cheryl Corley/NPR hide caption

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Chicago's Upgrades To Aging Water Lines May Disturb Lead Pipes

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Victoria Thomas' backyard was overrun with rats a few years ago. She tried everything from trenching and underground fencing to poison traps but nothing worked — until she got three feral cats. Victoria Thomas hide caption

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Facing A Growing Rat Problem, A Neighborhood Sets Off The Cat Patrol

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Jedidiah Brown is removed by security during a Donald Trump rally at the UIC Pavilion in Chicago on Friday. Tasos Katopodis/AFP/Getty Images hide caption

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'This Can't Go On In Chicago,' Says Anti-Trump Protester

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Demonstrators in Chicago call for an end to gun violence and resignation of Chicago Mayor Rahm Emanuel. Chicago police are under scrutiny following the release of a video showing the shooting of 17-year-old Laquan McDonald by a Chicago police officer. Scott Olson/Getty Images hide caption

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Chicago Crime Spikes As Police Avoid Becoming 'The Next Viral Video'

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Chicago Mayor Rahm Emanuel announces an agreement to build a sixth runway at O'Hare International Airport, flanked by FAA Administrator Michael Huerta (left) and United Airlines President and CEO Oscar Munoz. David Schaper/NPR hide caption

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(Top, left) In an exercise designed to open up the conversation between veterans and teenagers, Navy veteran Jamal McPherson waits for others to ask him questions. (Top, right) Veteran Mikhail Dasovich, who served as a Marine in Sangin in Afghanistan, shares his tattoos with participants. (Bottom) Bocanegra speaks at the start of the day's program. Alyssa Schukar for NPR hide caption

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Chicago Teens And Combat Veterans Join Forces To Process Trauma

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Chicago Mayor Rahm Emanuel responds to a question during a news conference last month about new police procedures. Charles Rex Arbogast/AP hide caption

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Chicago Shooting Drives Calls For Emanuel To Go, So Far Without Result

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Men identified as victims of police torture under the command of retired Chicago Police Commander Jon Burge stand to be recognized by the Chicago City Council in May. Charles Rex Arbogast/AP hide caption

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People participate in what organizers are calling a "Black Christmas" protest on Michigan Avenue in downtown Chicago Thursday. E. Jason Wambsgans/Chicago Tribune/TNS via Getty Images hide caption

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Donating $100 to the Warmest Winter 2016 project sponsors the full cost of making one high-tech coat. It also enters the donor in a drawing to meet Chance The Rapper, who co-created the project. Robb D. Cohen/Robb D. Cohen/Invision/AP hide caption

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Antwan Burns-Jones, 31 (from left), William Moore, 35, and David Lee, 23, add a basketball to the memorial for Tyshawn Lee, 9, who was fatally shot in Chicago's Gresham neighborhood. Chicago Tribune/TNS via Getty Images hide caption

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Amid Violence, Chicago Parents Try To Inoculate Their Sons Against Fear

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Chicago Mayor Rahm Emanuel speaks during a special City Council meeting Wednesday in Chicago. Emanuel called the meeting to discuss a police abuse scandal and apologized for the 2014 shooting of a black teenager. Paul Beaty/AP hide caption

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Darrell Cannon was tortured into confessing to a crime he didn't commit and was sentenced to life in prison. He was exonerated in 2004 and released from prison in 2007. Scott Olson/Getty Images hide caption

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With Chicago Police Investigation, Advocates Ask, What Took So Long?

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