"Rowdy" Roddy Piper, clad in his trademark kilt, speaks in 2009 at the WrestleMania 25th anniversary press conference at Hard Rock Cafe in New York City. Piper fought in the main bout at the first WrestleMania in 1985, losing a tag-team match to Hulk Hogan and Mr. T. Andrew H. Walker/Getty Images hide caption

itoggle caption Andrew H. Walker/Getty Images

Sgt. Barbara Johnson and Corrections Lt. Robbin Preston run the Tuba City Juvenile Detention Center on the Navajo Nation. Laurel Morales/NPR hide caption

itoggle caption Laurel Morales/NPR

Education Secretary Arne Duncan (second from left) speaks with inmate Terrell Johnson, a participant in the Goucher College Prison Education Partnership. Patrick Semansky/AP hide caption

itoggle caption Patrick Semansky/AP

Expectations for movement on justice reform had been high, but sources tell NPR that concrete language on sentencing and criminal justice overhauls is still being hotly debated behind closed doors. David Goldman/AP hide caption

itoggle caption David Goldman/AP

The Ebola vaccine from a trial in Guinea needs to be kept at a temperature of minus 60 degrees Celsius, the World Health Organization says. Storage devices use jet fuel to keep the right temperature for up to five days in the field. Sean Hawkey/Sean Hawkey hide caption

itoggle caption Sean Hawkey/Sean Hawkey

A Marine Corps F-35B Joint Strike Fighter does a short takeoff (STOVL) from Patuxent River Naval Air Station, Md., in 2011. Eighteen years after development began, a version of the plane designed for the Marine Corps is expected to be deemed "combat ready." Cliff Owen/AP hide caption

itoggle caption Cliff Owen/AP

Using a digital device that displays Braille characters, Haben Girma talks with President Obama at a White House ceremony marking the 25th anniversary of the Americans with Disabilities Act. White House photo/Courtesy of Haben Girma hide caption

itoggle caption White House photo/Courtesy of Haben Girma

In this image taken from a November 2012 video, Cecil the lion is shown in Hwange National Park in Zimbabwe. Paula French via AP hide caption

itoggle caption Paula French via AP

Enrollment counselor Vue Yang (left) reviews health insurance options for Laura San Nicolas (center), accompanied by her daughter, Geena, 17, at Sacramento Covered in Sacramento, Calif., in February. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP