Barack Obama as a presidential candidate in Selma, Ala., in 2007 re-creating a voting rights march that was violently repressed by state troopers in 1965. Roberto Schmidt/AFP/Getty Images hide caption

Berlin residents Mareike Geiling (left) and her boyfriend, Jonas Kakoschke, speak with their roommate, a Muslim refugee from Mali. Geiling and Kokoschke helped launch a website that matches Germans willing to share their homes with new arrivals. Soraya Sarhaddi Nelson/NPR hide caption

Aliy Zirkle drives her dog team during the 2014 Iditarod. Emily Schwing/NPR hide caption

U.S. Secretary of State Hillary Rodham Clinton checks her mobile phone in March 2012 after her address to the Security Council at United Nations headquarters. While she's asked the State Department to quickly release her emails from her tenure as secretary, the process likely will take months — dragging out media coverage and critical questions. Richard Drew/AP hide caption

Owner Heidi Rogers Tuesday at her famous Manhattan shop, Frank Music Company, before the store's final closing Friday. Judging silently from on high is composer Igor Stravinsky. Anastasia Tsioulcas/NPR hide caption