Diann Rust-Tierney, executive director of the National Coalition to Abolish the Death Penalty, with teammate Barry Scheck, co-director of the Innocence Project. Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.

Phuong Nguyen, 55, and her son, Chris, who survived the bombing of the Alfred P. Murrah Federal Building in Oklahoma City on April 19, 1995. StoryCorps hide caption

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Texas Rangers relief pitcher Lisalverto Bonilla throws during the fifth inning of a spring training baseball game against the Kansas City Royals on March 4, in Surprise, Ariz. He is scheduled to undergo Tommy John surgery this week. Charlie Riedel/AP hide caption

itoggle caption Charlie Riedel/AP

New York Red Bulls defender Chris Duvall (third from left) reacts toward the crowd after teammate Lloyd Sam scores during an MLS soccer game against D.C. United on March 22 in Harrison, N.J. The Red Bulls won 2-0. John Minchillo/AP hide caption

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Two teams face off in a debate over the extent of the president's war powers at the latest debate from Intelligence Squared U.S. Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.

Howard University students (left to right) Kevin Peterman, Taylor Davis, Leighton Watson and Ariel Alford are the subjects of NPR's Project Howard. They'll be keeping audio diaries as they finish their final semester of college and look toward their futures. Robb Hill for NPR hide caption

itoggle caption Robb Hill for NPR

Jeff Wilson accidentally struck Tammie Baird with his car 30 years ago when they were in high school. They've reunited to remember the incident. StoryCorps hide caption

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San Francisco 49ers linebacker Chris Borland, center, during an NFL football game in Santa Clara, Calif. Borland announced that he will retire after just one season to protect himself from brain injuries. Marcio Jose Sanchez/AP hide caption

itoggle caption Marcio Jose Sanchez/AP