Bekele Gerba visited Washington, D.C., to bring his concerns about Ethiopia to the State Department. The photo was taken when he came to NPR for a radio interview. Mahafreen H. Mistry/NPR hide caption

Heroin sold in the U.S., like this dose confiscated in Alabama last fall, is often cut with other drugs. Tamika Moore/AL.com/Landov hide caption

Casey Corcoran and his wife, Margie Skeer, were on a romantic getaway when they discovered he was listed in the Ashley Madison leaked data. Courtesy of Casey Corcoran hide caption

The Pentagon's only maximum security prison, at the U.S. Army's Fort Leavenworth in Kansas, is one of the facilities being considered for placement of Guantanamo prisoners deemed too dangerous to release. Julie Denesha/Getty Images hide caption

Joel Munguia (center), owner of Chino's, a barbershop in Kenner, La., sits with his nephew, Waldyn Munguia (left), as they have a laugh outside on the waiting benches at the shop. Munguia came to New Orleans from Honduras in 2005 after Katrina and opened his dream shop for Latino hairstyles in 2012. David Gilkey/NPR hide caption

Donald Trump (left) arrives to announce his bid to run for president on June 16. Arnold Schwarzenegger (right) appeared on the Tonight Show with Jay Leno and announced he was running for governor of California on Aug. 6, 2003. Kena Betancur/AFP/Getty Images and Kevin Winter/Getty Images hide caption

Ronda Rousey celebrates her most recent Ultimate Fighting Championship win on Aug. 1, shortly after knocking out Bethe Correia in just over half a minute. Ricardo Moraes/Reuters/Landov hide caption