Alix Spiegel

In my Morning Edition story today, I look at expectations — specifically, how teacher expectations can affect the performance of the children they teach.

Around 10 years ago, Malcolm MacLeod got interested in forgetting.

For most people, the tendency to forget is something we spend our time cursing. Where are my keys? What am I looking for in the refrigerator again? What is that woman's name?

In 1991, a man named Stephen Mobley robbed a Domino's pizza in Hall County, Ga., and shot the restaurant manager dead.

Crimes like this happen all the time, but this particular case became a national story, in part because Mobley seemed so proud of his crime. After the robbery, he bragged about the killing and had the Domino's logo tattooed on his back.

But there was another reason Mobley's case became famous.

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