Erika Kalberer (left) and her mother, Kris. Their family has been living out of their car. Kris tells her daughter, "I don't think sometimes you know how strong you are." StoryCorps hide caption

itoggle caption StoryCorps

Sen. Kay Hagan, D-N.C., takes questions from the media in April during an appearance in Durham, N.C. Hagan has tried for her first 5 1/2 years in the U.S. Senate to persuade North Carolina voters that being in the middle of the road is a good thing. Gerry Broome/ASSOCIATED PRESS hide caption

itoggle caption Gerry Broome/ASSOCIATED PRESS

A young Chinook salmon, called a smolt, near Vallejo, Calif., on April 24, 2014. North Coast tribes and environmentalists fear that the smolts and Chinooks may not survive this year's low river flows and warm water. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

News outlets in 1962 paired this image of injured police officers with a story about the aftermath of a riot in a St. Louis suburb. Proquest Historical Newspapers Archive hide caption

itoggle caption Proquest Historical Newspapers Archive

A clergyman leads demonstrators protesting the shooting death of Michael Brown down West Florissant Avenue in Ferguson, Mo., on Wednesday. A large contingent of clergy helped keep the mood calm after days of unrest. Eric Kayne for NPR hide caption

itoggle caption Eric Kayne for NPR

Attorney General Eric Holder participates in a closed-door meeting Wednesday with students at St. Louis Community College, Florissant Valley. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP