Faux tombstones line a lawn in Medinah, Ill. It's a campaign to heighten awareness about an epidemic of heroin and pain pill overdoses — a prelude to International Overdose Awareness Day on Aug. 31. Cheryl Corley/NPR hide caption

itoggle caption Cheryl Corley/NPR

Alva Earley shows off his diploma after receiving it from Galesburg Superintendent Bart Arthur. Evan Temchin/Knox College hide caption

itoggle caption Evan Temchin/Knox College

The city of Davenport, Iowa, is home to about 100,000 people. The city's mayor, Bill Gluba, wants the city to shelter some of the unaccompanied minors who have crossed the southern border of the U.S., but some members of the City Council oppose his efforts. scmcgee/Flickr hide caption

itoggle caption scmcgee/Flickr

This undated file photo released by Obama for America shows Barack Obama teaching at the University of Chicago Law School in Chicago, where he was a faculty member for more than a decade. The university is contending for his presidential library. AP hide caption

itoggle caption AP

In one of the waiting rooms of the Chicago Civic Opera House, Urban Prep graduates dance and let off some steam before the school's commencement ceremony begins. Cheryl Corley/NPR hide caption

itoggle caption Cheryl Corley/NPR