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Americans now have a little more information on which to base their debate about Trayvon Martin. The teenager's killing in Florida - where he was shot by a man named George Zimmerman - prompted an intense and politically charged national discussion about violence, about gun laws and about race.
When Terry Walls of Springfield, Mo., decided to go back to college at age 52, he wanted to put to rest a family rumor. He had heard his mother was denied admission to Missouri State University, and he was pointed toward Meyer Library on the MSU campus for answers.
There, he discovered an eloquent letter typed on fragile, onion-skin paper and signed with his mother's maiden name: Mary Jean Price. It was dated Oct. 2, 1950, and it was addressed to the university registrar:
For many people, Bike to Work Day (which is today) is a reason to put air in their bike's tires and see if their chain is too rusty to get them to work on time. And as a growing list of photographs shows, many people who follow NPR online also ride to work.
A huge trove of documents has been released by prosecutors in the Trayvon Martin case. Among the biggest revelations so far is that the autopsy reveals Martin had THC in his system. But police said the shooting was "ultimately avoidable."